Answer:
Jake is correct.
Explanation:
Sophie is wrong because although dolphins and sharks can technically be said to be similar, it resulted from convergent evolution, which has nothing to do with common ancestry and rather to do with similar environments for their homes.
Which statement about venation is INCORRECT?
Some flowering plants have leaves that lack venation even though the stems and roots have vascular bundles.
Venation is important for delivering water to leaf cells and taking sugars to the stem.
Venation refers to arrangement of the veins within a leaf.
Venation patterns include pinnate, palmate and dichotomous.
In general, monocots exhibit parallel venation.
Answer:
Some flowering plants have leaves that lack venation even though the stems and roots have vascular bundles.
Explanation:
Venation refers to the arrangement of the veins in the leaf of a plant which are involved in the transport of material in the plants.
The xylem present in leaves transports water to the leaf whereas phloem transports sugar from the leaves to different parts of the plants. In angiosperms, no plants are known whose leaves lack the veins but stem and root possess the vascular bundles.
Monocot is characterised by their parallel veins whereas dicots possess reticulate veins. Also, the compound leaves possess one of the three types of venation that are palmate, pinnate and dichotomous.
Since no angiosperm posses, veinless leaves, therefore, is the correct answer.
A sample of living tissue of a fish-eating bird species was found to have a specific, heavy metal concentration of 700,000 ppt (parts per trillion). What is the best inferential explanation you could make based on these data
Answer:
The best inferential explanation is that the heavy metal concentration was gotten from the build up of small amounts of heavy metal in the birds, gotten from consuming fishes from a heavy-metal -polluted water body.
Explanation:
If a sample of fish-eating bird species is found to contain such a large concentration of heavy metal, then the primary source of the heavy metal concentration in their body will be from their food source. Fish-eating birds are in most cases, solely dependent on fish for their food. Most of them do not eat any other food apart from fish, so the problem can be pin-pointed to the fishes they consume. The best inferential explanation is that the heavy metal concentration was gotten from the build up of small amounts of heavy metal in the birds, that is gotten from ingesting fishes that have ingested heavy metals in them. This can be as a result of the pollution of water bodies like streams, lakes and seas from heavy-metal-containing industrial wastes.
Using the key choices choose all responses that apply to the following descriptions. Some terms may be used more than once.
Key:
a. stratum basale
b. stratum corneum
c. stratum granulosum
d. stratum lucidum
e. stratum spinosum
f. papillary layer
g. reticular layer
h. epidermis as a whole
i. dermis as a whole
_____________1. layer of translucent cells in thick skin containing dead keratinocytes
_____________2. two layers containing dead cells.
_____________3. dermal layer responsible for fingeiprints.
_____________4. epidermal layer exhibiting the most rapid cell division.
_____________5. layer including scalelike dead cells, full of keratin, that constantly slough off.
_____________6. layer named for the numerous granules present.
_____________7. location of melanocytes and tactile epithelial cells.
_____________8. area where weblike pre-keratin filaments first appear.
_____________9. deep layer of the dermis
_____________10. layer that secretes a glycolipid that prevents water loss from the skin
Answer and Explanation:
b. stratum corneum: 5. layer including scalelike dead cells, full of keratin, that constantly slough off.
The most superficial epidermal layer conformed of squamous, plane, thin cells with keratin in their cytoplasm, that are continuously released. These cells are replaced by new cells that have the same destiny.
d. stratum lucidum
: 1. layer of translucent cells in thick skin containing dead keratinocytes
Also known as the transparent layer, is only located in the thicker parts of the skin, such as the hands´ palms and the feets´ soles. This layer is so thin that the cells´ edges and some ties their nucleus can not be identified. Keratinocytes are diaphanous and are grouped together. They lack a nucleus and the cytoplasm is filled with a gelatinous substance, eleidin, which will transform into keratin.
b. stratum corneum and d. stratum lucidum 2. two layers containing dead cells.
c. stratum granulosum: 6. layer named for the numerous granules present.
These layer cells contain granules filled with keratohyalin that is needed for keratin production. These cells are arranged in two to four layers, and they begin to degenerate. This is why they show high lysosomes enzymes concentration. This is also the layer where it begins keratinization.
e. stratum spinosum: 10. layer that secretes a glycolipid that prevents water loss from the skin.
8 to 10 irregular cell layers. These cells are rich in DNA necessary for proteinic synthesis that ends in keratin production, and Langerhans cells that belong to the immunity system. This stratus is also known as "Malpigio stratum". It also produces a glycoprotein that helps to prevent water loss.
a. stratum basale 4. epidermal layer exhibiting the most rapid cell division.
7. location of melanocytes and tactile epithelial cells.
Stratum basale is the innermost germinative, single, basal layer of the epidermis composed of basal cuboidal-shaped cells. These cells are the precursor of keratinocytes, this is why this layer is also called germinativum. In this basal layer, there are also Merkel cells as well as melanocytes. The former associated with nerve fibers, transmit part of the touch, and the latter, form the pigment responsible for skin coloring and tanning, melanin.
f. papillary layer: 3. dermal layer responsible for fingerprints.
This stratum is a thin superior layer in the dermis. It has conjunctive tissues and blood vessels that nourish the skin and helps to control the temperature. It´s surface forms papilla that increases the mechanical union between dermis and epidermis.
g. reticular layer: 9. deep layer of the dermis
The inner and thicker layer of the dermis. It is characterized by it´s thick, irregular bundles of collagen fibers and elastic fibers. These are not randomly oriented but forming the regular skin tightening lines known as Langer lines.
h. epidermis as a whole: 7. location of melanocytes and tactile epithelial cells.
Composed of a plane stratified keratinized epithelium that constantly grows and maintains a normal thickness by the process of peeling. The Epidermis is made up of five cell layers, which have different functions: Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.
i. dermis as a whole: composed of conjunctive dense tissue that provides support, resistance, and thickness to the skin.
Dermis _____ system is responsible for thermoregulation and for development of inflammatory skin processes
Answer:
Integumentary system
Explanation:
This system is responsible for development of skin, hair, nails, glands, and nerves and it serves as a protector. There are many organs in this system too.
Select all the true statements about human gametes. A. Meiosis in ovaries produces haploid eggs. B. Both eggs and sperm contribute 23 chromosomes to the zygote. C. Gametes contain 23 pairs of chromosomes. D. Meiosis in testes produces haploid sperm.
The receptive field of this type of cell in the striate cortex is made up of a large number of receptive fields from neurons in the LGN. Additionally, these cells respond to light at specific orientations and locations, and thus are best in responding to things such as lines and edges.
A. Complex
B. Ganglion
C. Bipolar
D. Simple
Answer:
Simple cell
Explanation:
Simple cells are found in primary visual cortex and are made up of large number of receptive fields from neurons and the respond to light at specific Orientation and oriented edges. The cells were discovered by Torsten Wiesel and David Hubel in the late 1950s. The simple cells respond to stimuli with some particular orientations to objects within their receptive fields. Receptive fields comprises of sensory receptors in the sensory neurons that draw out neurosonal responses when there are stimulated
The process that uses carbon dioxide but not light energy to make sugars is called
Answer:
The Calvin Cycle
Hope this helps.
carbon fixation
Explanation:
Carbon dioxide is converted into sugars in a process called carbon fixation; photosynthesis captures energy from sunlight to convert carbon dioxide into carbohydrate.
Which would make for a weak claim?
1. a blog cited as the source
2. a large sample size
3. clear variables and controls
4. multiple trials
Answer:
A blog cited as a source
Explanation:
Blogs often contain opinions rather than facts
Which would make for a weak claim?
1. a blog cited as the source
2. a large sample size
3. clear variables and controls
4. multiple trials
Two true-breeding white strains of the plant Illegitimati noncarborundum were mated, and the F1 progeny were all white. When the F1 plants were allowed to self-fertilize, 126 white-flowered and 33 purple-flowered F2 plants grew. a. Using the ratio of these offspring, determine how flower color is inherited? b. Define allele symbols.. Indicate (using these symbols) the genotypic classes and the corresponding phenotypic ratios of the F2. c. A white F2 plant is a allowed to self-fertilize. Of the progeny ¾ are white-flowered, and ¼ are purple-flowered. What is the genotype of the white F2 plant? Briefly explain how you determined your answer.
Answer and Explanation:
Suppression: refers to an allele of a gene that can annul the expression of the other gene. The suppressor gene might be associated with its own particular phenotype (such as color) or it might not have any detectable effect other than suppressing the other gene expression.
Available data:
Two true-breeding white strains of the plant Illegitimati noncarborundum were mated the F1 progeny were all white the F1 plants were allowed to self-fertilize 126 white-flowered and 33 purple-flowered F2 plants grew.a. Using the ratio of these offspring, determine how flower color is inherited?
There are two genes involved in the color expression, we might define them as C gene for color, and W gene for suppression of the color. So, W inhibits the expression of C. The dominant C allele expresses purple, while the recessive allele does not express color.
As there are two genes interacting, there are 16 possible offspring produced. So, if the total individuals in the F2 are 159 (126 + 33), then:
159 individuals in the F2 ------------ 100% progeny ---- 16
126 white-flowered individuals------79.25% -----------12.68
33 purple-flowered individuals -----3.32 % ------------ 3.32
These proportions approximate to the proportion 13:3, corresponding to the genetic interaction "suppression".
b. Define allele symbols. Indicate (using these symbols) the genotypic classes and the corresponding phenotypic ratios of the F2.
As we mentioned before, the proposed symbols for these genes are C for the color gene and W for the suppressor gene. The dominant allele C expresses purple, while the recessive allele c does not express any color. W allele inhibits C, and w allele does not inhibit c.
1st Cross:
Parental) WWCC x wwcc
Gametes) WC WC WC WC
wc wc wc wc
Punnet square) WC WC WC WC
wc WwCc WwCc WwCc WwCc
wc WwCc WwCc WwCc WwCc
wc WwCc WwCc WwCc WwCc
wc WwCc WwCc WwCc WwCc
F1) 100% WwCc
2nd Cross:
Parental) WwCc x WwCc
Gametes) WC Wc wC cc
WC Wc wC cc
Punnet square) WC Wc wC wc
WC WWCC WWCc WwCC WwCc
Wc WWCc WWcc WwCc Wwcc
wC WwCC WwCc wwCc wwCc
wc WwCc Wwcc wwCc wwcc
F2) White-flowered plants 13/16 = 9/16 + 3/16 + 1/16
W-C- 9/16
W-cc 3/16
wwcc 1/16
Purple-flowered plants 3/16
wwC-
c. A white F2 plant is allowed to self-fertilize. Of the progeny ¾ are white-flowered, and ¼ are purple-flowered. What is the genotype of the white F2 plant? Briefly explain how you determined your answer.
3/4 = 12/16 white
1/4 = 4/16 purple
To get the proportion 3:1 we should self-fertilize and individual that is heterozygous for one of the genes and homozygote for the other gene. As we have 1/4 of purple-flowered plants, we can assume that there must be present the dominant allele C for purple color. So, the homozygote dominant allele should belong to the C gene, and the W gene should be heterozygous one needed to get the required proportion. The cross would be like:
Parental) WwCC x WwCC
Gametes) WC wC WC wC
WC wC WC wC
Punnet square)
WC wC WC wC
WC WWCC WwCC WWCC WwCC
wC WwCC wwCC WwCC wwCC
WC WWCC WwCC WWCC WwCC
wC WwCC wwCC WwCC wwCC
F3) White-flowered plants
4/16 WWCC
8/16 WwCC
Purple-flowered plants
4/16 wwCC
The flower white trait is inherited as an epistatic trait because it resembles a 13:3 phenotypic ratio.
Epistasis, also called dominant suppression, is a type of gene interaction that deviates from 9:3:3:1 phenotypic proportions due to the presence of a single allele that suppresses the expression of another gene.In this case, the C can be defined as the color gene and S the suppressor gene.Parental P line >> SsCc x SsCcGametes >> SC Sc sC ccF1 Punnet squareSC Sc sC sc
SC SSCC SSCc SsCC SsCc
Sc SSCc SScc SsCc Sscc
sC SsCC SsCc ssCc ssCc
sc SsCc Sscc ssCc sscc
F2 White plants = S-C- 9/16 + S-cc 3/16 + sscc 1/16 >> F2 White plants = 9/16 + 3/16 + 1/16 = 13/16 The genotype of the white F2 plant is SsCC (it give us a phenotypic rate of 3:1 after auto pollination).In conclusion, the flower white trait is inherited as an epistatic trait because it resembles a 13:3 phenotypic ratio.
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Match the enzymes to their role in the DNA replication process
Answer: A = 3, B = 5, C = 1, D = 2, E = 4
Explanation: A. RNA primase
B. ligase
C. helicase
D. polymerase
E. topoisomerase
Pairs
1. unwinds the DNA molecule
2. synthesizes the complementary daughter strands
3. synthesizes RNA primer at the initiation point
4. creates nicks ahead of the replication fork to relieve tension from unwinding
5. joins the Okazaki fragments together
1. In a standard autoclave procedure dry heat is used combined with high pressure
A. True
B. False
2. Household bleach is routinely used in dilution 1:10
A. True.
B. False
Answer:
1) F, 2)True
Explanation:
1) autoclave uses steam
2) bleach dilute is 1:10
1. It is false that In a standard autoclave procedure dry heat is used combined with high pressure.
2. It is true that Household bleach is routinely used in dilution 1:10
1. In a standard autoclave procedure, moist heat, not dry heat, is used in combination with high pressure. Autoclaves use steam under high pressure to achieve sterilization by destroying microorganisms and their spores. The high-pressure steam provides effective heat transfer and penetration, ensuring the sterilization of the items being processed.
2. Household bleach is often used in a dilution of 1:10, meaning one part bleach is mixed with nine parts water. This dilution is commonly recommended for various household cleaning and disinfection purposes. It helps to ensure effective disinfection while reducing the potential harmful effects of concentrated bleach.
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Consider the regulation of galactose metabolism through GAL4. Which of the following would result from a mutation that allowed GAL3 to bind to GAL80 in the absence of galactose?
A. There would be no change in the regulation of galactose metabolism because GAL3 normally binds to GAL80 to cause a conformation change in GAL80.
B. GAL80 would no longer be able to stimulate transcription of the genes involved in galactose metabolism.
C. GAL80 would be able to bind to GAL4, and transcription of the genes involved in galactose metabolism would be repressed.
D. Transcription of the genes involved in galactose metabolism would occur both in the presence and in the absence of galactose.
E. GAL4 would no longer be able to bind to the DNA thus, transcription of the genes involved in galactose metabolism would occur.
Answer: Option C.
GAL80 would be able to bind to GAL4, and transcription of the genes involved in galactose metabolism would be repressed.
Explanation:
Gal 3, Gal 80 and Gal 4 are form of proteins which participate in metabolism. They constitute a galactose-responsive switch for the GAL genes When galactose is absent, Gal 80 bind to Gal 4, masking the Gal4AD prevent gene transcription and prevents Gal4-mediated promoter activation
Which statement about human genetics is correct? a. All humans have the same alleles but different genes. b. All humans have the same phenotypes but different genotypes. c. All humans have the same genes but different alleles. d. All humans have the same genotypes but different phenotypes.
Answer: Option B.
All humans have the same phenotypes but different genotypes.
Explanation:
Genetics is a branch of biology that involve the study of genes, heritable traits and variation in genes.
All humans have phenotypes and genotypes
The genotypes which is the characteristics or traits or genes an organism inherited from his parents. genotypes is different in humans because every one inherited different genes from their parents.
Phenotypes is observable characteristics seen or observed in a organisms due to the inherited characteristics from the parents and environmental interaction.
Phenotype is almost the same in humans, because it expressed inherited traits. We have same phenotype, which is expression of traits.
The punnets square shows a text cross of mice that are heterozygous for both traits what will the offspring be fill in the white boxes of the punnets square with all the possible offspring genotypes
Answer:
Punnett Square answer as shown in the image
Explanation:
Identify the importance of carbon. Check all that apply
Answer:
It ensures life on Earth can exist.
2. It is the universal solvent.
3. It is a part of all organic compounds, including carbohydrates and nucleic acids.
4. It is found in every living thing.
I think so not sure sorry:-)
Answer:
A. It ensures life on Earth can exist
C. It is a part of all organic compounds, including carbohydrates and nucleic acids.
D. It is found in every living thing
Explanation:
description of proton
Answer:
A proton is a subatomic particle with a mass defined as 1 and a charge of +1 (positive charge). A proton is indicated by either the symbol p or p+. The nucleus of every atom contains protons. The number of protons of an atom of an element is its atomic number.
Explanation:
When can
exponential growth occur in a population?
Answer:
c
Explanation:
Exponential growth is when a population increases in a given time when resources are unlimited. In regular nature, resources will eventually run out, but if they are unlimited, they can grow exponentially
Exponential growth can occur in a population when there are unlimited resources and no limiting factors such as disease, predation, or competition.
What is exponential growth?Exponential growth refers to a phenomenon in which a population, a species, or a quantity increases at a rate that is proportional to its current size. In other words, as the population grows, the rate of growth also increases. This can lead to a rapid increase in population size over a short period of time.
Exponential growth can occur when there are favorable conditions for reproduction and survival, such as an abundance of resources and a lack of predators or diseases. This type of growth is often seen in microorganisms, such as bacteria, and in populations of animals that have no natural predators or competitors. However, exponential growth is not sustainable in the long term, as eventually resources will become scarce and the population will stabilize or decline.
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Why did scientists struggle for thousands of years to accurately describe the solar system?
Answer:
they didnt have photography
Explanation:
Answer:
hey there answer is wrong
Explanation:
soooo its that the planets appeared to be moving backwards. i got the answer right plus look it up if you dont belive me, and that wasnt even an answer choice.
define the term overfishing in your own words. What would happen to the population of fish in the ocean if laws did not regulate overfishing? What would happen to the ocean eco-system?
Answer:
Overfishing is the level of excessive capture of marine animals.
Explanation:
Overfishing poses a great threat to marine biodiversity and ecological balance. The abundance of populations of large predators such as cod, tuna and swordfish has decreased by 90% due to overfishing. If we continue fishing at the current rate, scientists estimate that by 2048 any fish in the sea will have disappeared. Our seas are vulnerable and sensitive and a sudden and significant change in the number of individuals of a species can put great pressure on their ecological environment and a change in the balance of the oceans, and even in the food chain of other species.
What would be an appropriate evolutionary explanation of the fact that the ordering of some homeotic genes (e.g., Hox genes) on vertebrate chromosomes parallels the ordering of homeotic genes on fruit fly chromosomes? Group of answer choices
Answer:
The correct answer is "The similar ordering of homeotic genes in animals, both vertebrate and insect, is due to ancient homology".
Explanation:
The missing options of this question are
a. Homeotic genes show that insects and vertebrates are closer relatives than the traditional classification system indicates.
b. The similar ordering of homeotic genes in animals, both vertebrate and insect, is due to ancient homology.
c. The similarity is a coincidence, not documented in other invertebrates and largely a result of random mutations.
d. Homeotic genes of different animal lineages might be ordered in a similar fashion, yet their sequences are completely different.
The correct answer is option b. "The similar ordering of homeotic genes in animals, both vertebrate and insect, is due to ancient homology".
Ancient homology, is a concept proposed by Charles Darwin that explains that species have homologous structures because they share a common ancestor. This explains as well why the ordering of some homeotic genes on vertebrate chromosomes parallels the ordering of homeotic genes on fruit fly chromosomes. Even though vertebrates are not as evolutionary close to fruit fly as other species, they share an ancient common ancestor as well. This same phenomena explains other homologies seeing in species, such as the adaptive mimetic diversity across butterflies.
A medical term with a suffix usually describes a/an
Answer:
a condition, an action, or a relationship.
Explanation:
Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.
hands and feet
sternum
skull
hips
ribs
shoulders
arms and legs
vertebral column
DONE
Intro
5013
Answer:
Explanation:
Axial skeleton consist of bone in the head and vertebrae trunk. Human have 80 axial bones that are grouped into 6 units the skull, rib cage, inner ear, vertebral column,sternum and hyoid.
Sternum,vertebral Column, ribs,Skull are axial skeleton found in the head and tail region.
Appendicular skeleton are found in the appendages this include fingers and toes,hip, shoulder, arm region.
Hand and feet, legs and shoulder,arms and hips are all part of appendicular skeleton.
Answer:
Hello the correct answers are......
Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.
✔ appendicular skeleton hands and feet
✔ axial skeleton sternum
✔ axial skeleton skull
✔ appendicular skeleton hips
✔ axial skeleton ribs
✔ appendicular skeleton shoulders
✔ appendicular skeleton arms and legs
✔ axial skeleton vertebral column
Explanation:
Just took the test from
E D G E N U I T Y
hope this helps :D
While viewing stained onion root tip cells you notice that distinct chromosomes cannot be observed in most of the cells. This is because most of the cells Group of answer choices
Answer:
This is because must of the cell must be in INTERPHASE.
Explanation:
The onion root tip is the growing part of the onion and many cells in it undergo mitosis. In the lab, it is prepared in a way that the cells become flat on the microscope slide so that you can observed them well.
In the cell cycle, most of the onions root tip cells are in interphase, they spend most of their life in interphase. In interphase, there is no observable changes in the celks, the cells keep on growing and the nucleus is been duplicated. This is because most of the onion root cells spend most of their time reproducing and growing in the interphase stage. During the interphase, the cells can still be seen in dark spots because the nucleus is still present and prophase has not started yet.
During which phase of the cell cycle do chromatids form?
What are the characteristics of static electricity?
PLZZZZ HELPP!!
Explanation:
Static electricity is a form of electrical energy which is produced by the imbalance of positive and negative charge.
The characteristics of static electricity are:
1. The charges do not move and therefore called static in nature.
2. The charges of static electricity possess less energy, therefore, remain for a small period.
3. Static electricity is build up mostly on non- humid dry days.
4. The charge of static electricity does not generate electric fields but they are constant.
5. Due to a constant electric field, no magnetic field is generated.
6. The static electricity can be observed in the lightning, Van-de graff generator and xerox machines.
Which statement best explains why water is essential for all living things?
A) Water makes up 65% of human beings.
B) Water is an essential component of blood.
C) Water covers 7596 of Earth's surface.
D) Water is necessary for cellular functions.
Answer:
d) Water is necessary for cellular functions.
Explanation:
if we cant work on a cellular level, we wont work at all!
hope i helped!
Answer:
the answer is d) in edge 2021
Explanation:
water is necessary for cellular functions
HOPE THIS HELPS
A student has the high-power lens in position and appears to be intently observing the specimen. The instructor, noting a working distance of about 1 cm, knows the student isn't actually seeing the specimen. How so?
Answer:
Explanation:
Based on this the student is out if the focus, and just viewing on the dust.Basically, high -power lens is a non oil immersion lens, with a short working distance of 1cm,which will be about a few millimeters.Hence the student will be out of focus, just carry out a fruitless effort focusing on the dust, missing the focus on the specimen.
2. As a result of your initial efforts you were able to detect the presence of protein K using IgG. However, when your lab mate repeated your work after heating protein K they were unable to detect the presence of protein K using IgG. Explain why your lab mate was unable to detect the presence of protein K with IgG even though you demonstrated that it was possible
Answer:
Protein K is a protein that can available in the human cell nucleus that binds to pre-messenger RNA as a part of heterogenous ribonucleoprotein. IgG is one of the five isotypes of immunoglobulin or antibodies.it is the most common antibodies in the blood circulation and makes the 75% of total antibody.
When you heat solution, generally protein k activity increase with an increase in the heat but up to an extent or point called optimum temp. The optimal temperature for activity ranges between 50-65°c. When an increase in temperature help with protein unfolding easing the ability for protein k to break down those proteins.
Huntington's disease is a fatal syndrome caused by a dominant mutation in the HD gene. The disease has an average age of onset of 35 and the majority of individuals that are affected are heterozygotes. What is the probability that a 25-year-old woman with no symptoms and who is the daughter of a man that has HD and a mother who does not will have a child that will have the mutant HD allele
Answer:
50% chance
Explanation:
The chances for the 25 year old woman to have HD is 50% due to the fact that this father is affected by HD and the mother is not having HD. Thus if she has a daughter with a male without HD, then the daughter will have 25% .
hope this helps
Huntington's disease is a genetic disorder that degenerates the neurons. There is a 25% chance that the offspring produced will be a mutant HD allele. Thus, option C is correct.
What is Huntington's disease?Huntington's disease has been defined as the degeneration of the neurons that are inherited disease and is passed from the dominant gene. It can cause disease in the heterozygous condition. The traits pass from the parent to their offspring.
There is a 50% chance that the woman has Huntington's disease as her father was affected but the mother was normal. So, if she has a daughter with a normal male then there is a 25% chance that the offspring produced will have Huntington's disease.
Therefore option C. there is a 25 % chance for the offspring to have Huntington's disease.
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Your question is incomplete, but most probably your options were,
A. 75%
B. 50%
C. 25%
D. 100%
Which statements describe the characteristics of an individual protein? Select two options. It is specific to one biochemical reaction. It increases the activation energy needed for a reaction. It can catalyze many different reactions. It increases the rate of a biochemical reaction. It slows down the rate of a biochemical reaction.
Answer: . It is specific to one biochemical reaction
It increases the rate of a biochemical reaction.
Explanation:
Protein acts as enzymes and are useful in reactions that occurs in the cell as a catalyst.
Enzymes are characterized by speeding up the rate of chemical reactions without destroying themselves or disturbing equilibrium that occurs between the reactant and the product. Individual protein are specific to a particular reaction and are good catalyst of chemical reaction as they help to speed up reactions.
The branch of science which deals with chemistry uses in biology is called biochemistry.
The correct option to the question is A and D
The digestion of protein requires the enzyme which catalyzes the reactant and speeds up the reaction by decreasing the activation energy. According to this concept, option B is wrong.
The protein molecule has an active binding site that is specific to each protein. Each protein has a specific type of enzyme that catalyzes the reaction. Hence option C is also wrong.
Hence, the correct option is A and C that is an It is specific to one biochemical reaction and It slow down the rate of a biochemical reaction.
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