Answer:
Chromosome, Gene, Allele
Explanation:
Chromosomes are structures of tightly wound-up DNA. Genes are sections of DNA that inherited. The gene is used to produce proteins and show outward characteristics. An Allele is an alternate version of a gene. You can have 2 or 3 different versions of the same gene.
Question 4 (1 point)
Jenna and Mora are at the county fair. "Hey, look at that cowboy!" Mora says to
Jenna. Jenna asks, "How do you know that's a cowboy?" "Well, he's wearing pointy-
toed boots, a silk scarf, a pair of Wranglers, and a cowboy hat." The elements
identified by Mora are called
by sociologists.
socialization markers
nonmaterial cultural constructs
status symbols
role markers
Answer: status symbols
Explanation:
Status symbols are simply referred to as the objects that shows the social class or economic position of a person.
With regards to the information given in the question, we can see that the pointy-toed boots, a silk scarf, a pair of Wranglers, and a cowboy hat were used to show the status of the cowboy.
Matching evolutionary terms
Complete the sentences with the correct terms.
selection
Environmental conditions often favor one__
over another.
Answer:
phenotype or trait
Explanation: if it is really cold a mouse with thicker fur (phenotype) will do better
Environmental conditions often favor one selection over another.
In the context of evolution, selection refers to the process by which certain traits or characteristics become more or less common in a population over time. This process occurs due to environmental conditions that favor certain individuals with advantageous traits, leading to their increased survival and reproduction.
For example, consider a population of birds living in a forest with two distinct color morphs: light and dark. If the forest becomes darker due to increased tree cover, the dark-colored birds might be better camouflaged and have a higher chance of surviving and reproducing. Over time, the proportion of dark-colored birds in the population would increase, as they have a selective advantage in the new environmental conditions.
Similarly, if the forest becomes lighter, the light-colored birds may become more successful in avoiding predation and finding mates. In this case, the environmental conditions would favor the light-colored birds, leading to an increase in their frequency within the population.
Therefore, the term "selection" refers to the process by which environmental conditions favor certain individuals or traits, resulting in changes in the frequency of those traits within a population over time.
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What type of heredity is shown in the pedigree?
A
sex linked dominant
B
sex linkęd recessive
С
autosomal dominant
D
autosomal recessive
The type of heredity is shown in the pedigree is autosomal recessive. Hence option D is correct.
What is heredity?Heredity is defined as the whole of biological mechanisms via which certain traits are passed down from one generation to the next. The system by which traits, similarities, and differences are passed down from one generation to the next is called heredity. A guiding biological principle, heredity explains why children resemble but differ from their parents.
Autosomal recessive is defined as when one variant is found on both alleles of a particular gene, a genetic condition is present. The disease must be autosomal recessive if any affected founding daughter has two unaffected parents. Both parents must possess the recessive gene in order for the affected person to inherit it from them.
Thus, the type of heredity is shown in the pedigree is autosomal recessive. Hence option D is correct.
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what happens if antibodies attach to antigens on the red blood cells?
Explanation:
when an anti-A antibodies contact A antigens on AB erythrocytes, they will cause agglutination. similar, when anti-B antibodies contact B antigens on AB erythrocytes, they will cause agglutination.
(PLS HELP! I NEED THE CORRECT ANSWER <3)
How is translation different in prokaryotes and eukaryotes?
In prokaryotes, the translation of mRNA occurs while it is being transcribed.
In prokaryotes, pre-mRNA translation before transcription occurs within the cell.
In prokaryotes, reverse transcriptase simultaneously translates and transcribes mRNA.
In prokaryotes, functional mRNA allows for translation to be skipped, and proteins are made during transcription.
Answer: translation can begin during transcription
Explanation: In prokaryotes there is no nucleus and no separation of these processes.
Which of these statements are true about
leukemia? Select all that apply.
Leukemia is characterized by an abnormal
increase of circulating blasts.
Leukemia causes solid tumors to form on
lympn nodes.
Leukemia is subdivided into different types.
Leukemia has both adult forms and childhood
forms.
Answer:
-Leukemia is characterized by an abnormal increase of circulating blasts.
-Leukemia is subdivided into different types.
-Leukemia has both adult forms and childhood forms.
Explanation:
The statements 'is subdivided into different types', 'has adult and childhood forms' and 'characterized by an abnormal increase of blasts' are true about leukemia.
What is leukemia?Leukemia is a type of cancer present in the blood cells, which is characterized by its uncontrolled growth.
Leukemia must be diagnosed and treated properly in order to avoid metastasis of this cancer tissue.Leukemia has different differentiation degrees (states of development).In conclusion, the statements 'is subdivided into different types', 'has adult and childhood forms' and 'characterized by an abnormal increase of blasts' are true about leukemia.
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Identify structures found in fungi. Check all that
apply.
•produce spores
•contain pseudopods
•contain hyphae
•contain a fruiting body.
Answer:
A,C,D
Explanation:
Produce spores, Contain hyphae, Contain a fruiting body
Fungi produces spores containing hyphae and a fruiting body. So, the correct options are A, C and D.
What is Fungi?A fungus is defined as a member of a group of eukaryotic organisms which includes microorganisms such as yeast and mold, as well as the more familiar mushrooms.
Fungi are described as eukaryotic, non-vascular, non-motile and heterotrophic organisms which can be unicellular or filamentous. They reproduce by means of spores which exhibit the phenomenon of alternation of generations. Fungi lack chlorophyll and therefore cannot photosynthesize.
Fungi are classified in four divisions such as the Chytridiomycota (chytrids), Zygomycota (bread molds), Ascomycota (yeasts and sac fungi), and the Basidiomycota (club fungi).
Thus, Fungi produces spores containing hyphae and a fruiting body. So, the correct options are A, C and D.
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Describe how adaptations result in fitness?
Why do individuals with low
levels of fitness die?
Answer:
adaptations are changes in genetic material which develop new strong characteristics and increase fitness of an individual. any change in genetic material leads to development of a new phenotypic character. for example immunity of an organism modified and better respond to any disease as compared to an individual with this unadapted charachter (immunity). according to Darwin's concept of survival of the fittest only those organisms which have modified/adapted characteristics survive fit while the others with low fitness will lost.
Explanation:
Can someone pick one of these and do it for me I give brainless (EMERGENCY it’s due in 30 mins) please!!!!
Answer:
Acrostic Poem:
C- Carbon dioxide, carbonic acid gas, C02 (you can choose either of the three to put for this one).
A- Atmosphere has 0.04% percent.
R- Reactant in photosynthesis.
B- Broken down into the earth.
O- Organisms that are living have carbon in them.
N- Natural, but not a natural resource.
C- Cellular respiration.
Y- You should know carbon can be found by itself in a pure form.
C- Coal and other fossil fuels.
L- Life's necessity.
E- Endless cycle.
Explanation:
I hope this helps and I wasn't too late
which
The mRNA molecule consists of 3 nucleotide segments called________which correlate to specific ________
Answer:
codons
Explanation:
Why would water move faster through one kind of tree compared to another, and what might that tell us about their life cycle and susceptibility to environmental changes?
Answer:
Due to the presence of larger vessels.
Explanation:
Due to the presence of larger vessels of hardwoods in the tree, water move faster in that tree as compared to other type of plants. in smaller plants, small vessels are present which able them to move less amount of water as compared to large trees which have large vessels. It tells us that the tree adopted the environmental changes so that's why to overcome the change, they use more water.
What is the difference between an instinct and a learned behavior?
Answer:
See below.
Explanation:
The major difference between an instinct and a learned behavior is how it was picked up. An instinct is something that you're born knowing (think of being programmed to do certain actions or display specific behaviors.) An example of this would be how homing pigeons are "wired" and remember their home when they migrate. A learned behavior, on the other hand, is something you have to learn as you don't have a certain behavior, skill, etc. This can be a language, how to walk/talk, personality, likes and dislikes, learning how to read, write, or learn information. So right now, learning about this is displaying a learned behavior (being able to process information and read). :)
10) Adaptations are traits an organism may develop over a few months that
increase its chances for survival. *
O True
O False
1
What are the four types of living things found in an ecosystem?
producers, consumers, second consumers, tertiary consumers
producers, scavengers, consumers, decomposers
producers, scavengerrs, primary consumers, tertiary consumers
producers, primary, secondary, tertiary
Answer:
C. producers, scavengers, primary consumers, tertiary consumers
Explanation:
Someone said B was wrong so this would be my second answer.
In Drosophila, the dominant allele Cy (Curly) results in curly wings. The cross Cy/ x Cy/ (where represents the wildtype allele of Cy) results in a ratio of 2 curly : 1 wildtype F1 progeny. The cross between the curly F1 progeny also gives a ratio of 2 curly : 1 wildtype F2 progeny. How can this result best be explained
Answer:
d
Explanation:
Using a Punnet square to represent the given information
The cross between Cy + and Cy + can be computed as:
Cy +
Cy Cy Cy Cy +
+ Cy + ++
From what we see above, it is above that the ratio of Curly to wildtype is in the ratio of 2:1
This illustrates that the genotype Cy Cy is lethal. This is explained when two curly F1 are crossed which resulted in the same ratio.
Hence, the inheritance of Cy/Cy is fatal.
Which of the following best describes the relationship between DNA and proteins? (I accidentally clicked "D." im not sure if it is the answer.)
Answer: A
Explanation:
The central dogma of biology is that dna makes rna which makes protein
The relationship between DNA and proteins is that the DNA indirectly codes for the amino acid sequence of a protein. Thus, the correct option is A.
What is Translation?Translation can be defined as the process by which a cell makes the proteins using the genetic information which is carried in the form of messenger RNA (mRNA) molecule. The mRNA molecule is made by copying the DNA molecule, and the information which it carries tells the cell about how to link amino acids together in the form of polypeptide chains to form proteins.
The mRNA molecule is formed from DNA molecule through the process of transcription. These mRNA molecule synthesize protein molecules.
Therefore, the correct option is A.
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All three rock types weather when they are uplifted to the Earth’s surface, forming sediments that cover the Earth’s surface.
differences between Phloem and xylem
Xylem and phloem facilitate the transportation of water, minerals and food throughout the plant. Xylem carries water and minerals from the roots to the leaves. Whereas, phloem carries the food prepared by the leaves to different parts of the plant.
Answer:
This is the difference between xylem and phloem :
Explanation:
Hope it helps you :)
If it helps you mark it as brainlist answer.
Identify Earth's position in the solar system relative to the sun. A. Earth is just after B.Neptune. Earth comes right before Mercury. C. Earth is after Venus but before Mars. D. Earth comes before Mars and is after Jupiter. please help
Answer:
C. Earth is after Venus but before Mars
:D
Answer:
C
Explanation:
why is important the cell have a control sytem to regulate the timing of cell division?
Answer: It is important that cells have a "control system" because without it cells would either divide too fast or cause tumors to grow (cancer), or divide too slow and not be able to perform their cellular functions which is why the cells are controlled.
An environmental scientists is least likely to be involved with which of the following?
Studying the relationship between soil fungi and prairie plant species in areas
they are being restores.
Helping a farmer determine the best ways to rotate their crops.
Determining the best way to generate clean energy in Maine.
Studying how stars form.
Answer:
Probably determining the best way to generate clean energy in Maine :)
Explain why some traits cannot be easily changed even though they are heritable.
Answer:
Traits heritable only if the similarity arises from shared genotypes
Explanation:
Traits are familial if members of the same family share them, for whatever reason. Traits are heritable only if the similarity arises from shared genotypes. ... Thus, heritability is demonstrated even if the actual genes causing the variation are not known.
Is soap a base or acid and why?
Answer:
Soap is a basic
Explanation:
Soap is a combination of a weak acid (fatty acids) and a strong base (lye), which results in what is known as “alkalai salt,” or a salt that is basic on the pH scale.
Answer:
soap are basic in nature
Explanation:
because they are the mixture of weak acid and strong bases ....
what is the awnser to the problem
Flock X
Flock Y
Flock z
Total Pieces of Food Eaten
57
153
90
Food Percentage*
%
1%
%
Simulated Number of Birds in Flock for 2nd Generation **
* Divide each flock's total pieces of food by 300, the total number of pieces of food eaten.
** Multiply the food percentage for each flock by the total number of birds (30).
DONE
Answer:
Total Pieces Food Percentage Simulated Number of Birds
of Food Eaten in Flock for 2nd Generation
Flock X 57 19% 6
Flock Y 153 51% 15
Flock Z 90 30% 9
Calculations.
Food percentage:
Flock X = 57/300 * 100% = 19%
Flock Y = 153/300 * 100% = 51%
Flock Z = 90/300 * 100% = 30%
Simulated Number of Birds in Flock for 2nd Generation
Flock X = 19% * 30 = 6
Flock Y = 51% * 30 = 15
Flock Z = 30% * 30 = 9
Answer:
look
Explanation:
Why do plants conduct photosynthesis?
Answer:
Plants condut photosynthesis because they needs nutrients as well as foods so by this process they can easily find it from environment
how much acid is in the world
Answer:
lots
its on cafeteria food at ur school
Explanation:
Could you be more precise?
There are over 100 types of acid.
These are a few for example:
H2SO3Sulfurous Acid
H2SO4Sulfuric Acid
H2SO2Hyposulfurous Acid
H2SO5Persulfuric Acid
H2S2O7Pyrosulfuric Acid
H2S2O5Disulfurous Acid
H2S2O4Dithionous Acid
H2S4O6Tetrathionic Acid
H2S2O2Thiosulfurous AcidH2SHydrosulfuric Acid
H2S2O8Peroxydisulfuric AcidHClO4Perchloric Acid
In cats, coat color is determined by allelic variation at a single autosomal locus, with black fur dominant to white fur. Two heterozygous black cats are mated. What would be the probability of the following combinations of offspring in a litter of eight kittens?
a) All with black fur.
b) Five with black fur and three with white fur.
c) At least three of the kittens having white fur.
d) The firstborn kitten with white fur, and among the remaining seven kittens, three with black fur and four with white fur.
Answer:
Explanation:
Two Heterozygous Black cats mated
let 'B' be for the Black allele and 'b' for the white allele
hence the mating will be : Bb * Bb = BB , Bb , Bb, bb, BB, Bb, Bb, bb
a) Determine the probability that all kittens out of 8 kittens are black
That means the kittens will have 'BB' or 'Bb' alleles
probability of Black fur = 3/4
b) probability of 5 black and 3 white
probability of black = 3/4
probability of white = 1/4
hence probability of 5 black = 3/4 * 5 =
When listing the levels of organization in organisms from least complex to most complex, which level is just below
organs in complexity?
O cell
O organism
organ system
0 tissue
Mark this and retum
Save and Exit
Next
Submit
Answer:
tissue
Explanation:
The level of organisation of life in biology refers to an hierarchical classification of how organisms are formed beginning from the simplest unit of life, which is a CELL. The cell is the basic unit of life and it represents the least complex level of organization.
However, a collection of cells with similar functions give rise to a TISSUE. Tissues give rise to ORGANS. Organs give rise to ORGAN SYSTEMS. Organ system gives rise to ORGANISM. The order of this hierarchy from the least to most complex is as follows:
Cell → Tissue → Organ → Organ system → Organism
According to the question, the level that is just below organs in complexity is TISSUE.
What’s the correct mRNA sequence from the DNA strand: TAC GCC CGA ATC
A. ATG CCG GCU TAG
B. AUG GCC GCU UAG
C. AUG CGG GCU UAG
D. AUG CCG GCT UAG
E. ATG CCG CGT TAG
Answer:
C. AUG CGG GCU UAG
Explanation:
This works the same as a normal DNA strand, A=T, C=G, except for one difference. Thymine is not an mRNA base, instead it is Uracil. Therefore, if there is an A, you would typically replace it with a T, but for mRNA you will replace it with a U. Keep in mind you will still replace the T in the DNA strand with an A in the mRNA strand :)