Answer:
B.)because DNA is a massive polymer that contains many different parts
Explanation:
DNA is also called Deoxyribonucleic acid and it is important in knowing the genetic composition of organisms. The DNA comprises of phosphate, a sugar called deoxyribose, and four nitrogenous base which are adenine, guanine, cytosine, and thymine.
These constituents named above form a long chain which could be in millions and billions. This is why it is regarded to as a macromolecule because it is a massive polymer that contains many different parts .
Answer:
because DNA is a massive polymer that contains many different parts
Explanation:
5.
is the process by which artificial means are used to protect an individual
from a specific disease.
Cowpox
b. Microbes
c. Vaccination
a.
Answer c..Vaccination
Explanation:
Slowing Down Global Warming As Hite and Seitz (2016) discuss in Chapter 5: Climate Change, reputable scientific studies continue to show that the Earth is warming at an unsustainable rate because of a rise in the release of CO2 and methane gases. What is the relationship between population increases and climate change
Answer:
The increasing level of all the facilities like transportation, production, human waste, and developing new spaces for human beings among others are some of the most essential features of climate change. Thus, the demand for novel products, space, and facilities would also enhance with the increase in the population. This signifies that with the enhancement in the facilities, the environment would get influenced, which would eventually influence the climate.
There would be more emission of carbon dioxide and thus more pollution would develop with the increase in the population of human beings, this further would add up in climate change and global warming. Thus, there is a need in the control of the human population, however, technology is also important in helping humans to sustain a better life. This technology should be advanced and well-equipped so that our climate and environment exhibits no deleterious effects.
Novel technologies like the use of renewable energy, green building, prudent application of resources, and others would also assist the humans in sustaining the environment.
Jacob wants to learn how he can help ensure that the biodiversity of earth no longer decreases. which topic should he research?
A. reducing pollution and preserving wildlife habitat.
B. areas on earth with large amounts of un-mined coal.
C. demand of rainforest timber and exotic animal's
D. energy generated from wild and high-cost windmills
Answer:
C. demand of rainforest timber and exotic animal's
Explanation:
Biodiversity refers to the combination of biological and diversity. In this, it shows the varieties of life than could be found on earth in terms of plants, animals, etc
For not reducing the biodiversity on earth, Jacob should be researched on rainforest timber demand and the exotic demand so that the biodiversity could not decline
Therefore the option c is correct
Hence, all the other options are wrong.
Fill in the blank. Will give brainliest!
Answer:
Plants, glucose, ATP
Explanation:
In cellular respiration, Plants use glucose to make ATP. Bascially they breakdown the sugar to harvest ATP from it.
Here's the representation:
Disclaimer: The cells in both plants and animals perform respiration. Therefore, best answer is "Aerobic organism" for first blank but if your teacher has not been that specific then people usually learn about plants when talking about respiration.
Answer:
Cells, glucose + oxygen, ATP/Energy
Explanation:
All cells perform cellular respiration, so plant cells and animals cells can be used in the 1st blank (although they have different process of doing so). The molecule that is most commonly used in cellular respiration is glucose (C₆H12O₆). It goes through glycolysis and the Krebs Cycle(Animals) or the Calvin Cycle(Plants), then into the mitochondria to produce ATP and energy.
Which type of mutation occurs only in gametes?
germline mutation
somatic mutation
point mutation
frameshift mutation
Answer:
Germline mutation
Explanation:
A germline mutation is a genetic change produced in the gametic-germline cells (i.e., male and female gametocytes). The mutations in the germline are inherited in the next generation, while changes in somatic cells are not inherited. Moreover, the germline mutations may occur either before the fertilization or during embryonic development (zygote morula, blastula and gastrula). This type of mutation may be induced by both endogenous (e.g., oxidative DNA damage) and exogenous (e.g., exposure to UV light) factors.
The type of mutation that occurs in gametes only is : ( A ) Germline mutation
Germline mutation is a type of mutation that occurs in the gametocytes ( male and female ) and is passed( inherited ) on to the offspring ( next generation ). while mutations occurring in somatic cells are not passed on to the next generation .
Germline mutation is induced by either endogenous factors or exogenous factors and this is because Germline mutations can occur before fertilization or after fertilization.
Hence we can conclude that the type of mutation that occurs in gametes only is Germline mutation.
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Could a type B child whose mother is type A have a type A father
Answer:
No
Explanation:
It is necessary that each parent have B antigen for its child to be B type.
The graph below shows the temperature of ocean water at different depths. Which part of the graph represents the thermocline? a. AB b. BC c. CD d. DE
Answer:
C
Explanation:
Generally temperature changes rapidly with the dept in aquatic bodies especially the oceans.The thin distinct or transition layer where the variation in temperature with depth is most significant is called Thermocline.
Its represents the gaps which separate the upper mixed layer from the lower deeper water bed below,it therefore represent the layer of mixture of the upper surface warmer water (C) below 200 meters, with the cooler water layer(E) below,from 1000 meters check the attachment.
It is caused by variation in intensity of sunlight.The latter hits the surface water layer and therefore raises the temperature.But,because of decrease in sunlight penetration,with increasing dept, the temperature of the lower water dept decreases.
Which of the following correlation coefficients is less likely to occur?
0 a. -.54
O b. + .22
O c. -0.78
O d. +.16
Answer:
c. -0.78
Explanation:
Correlation coefficients are used to measure the relationship between two variables. correlation coefficients lies between -1 and +1.
Correlation coefficients greater than zero indicates positive correlation, less than zero indicates negative correlation and zero shows no relationship between the two variables.
Large positive or negative correlations have very less chances to occur, so large negative correlation will have less chances to occur because sampling variation gives large negative correlation by chance.
Hence, the correct answer is c. -0.78.
Which one of the following is the most common site for a leiomysarcoma to occur? Hydrometra appears sonographically as a/n _______________________.
Answer:
The correct answers are -
a) An intramural (confined to the myometrium)
b) Sonolucent fluid collection in the uterine canal
Explanation:
A leiomyoma, otherwise called fibroids, is an amiable smooth muscle tumor that rarely becomes malignant growth. They can happen in any organ, yet the most widely recognized structures happen in the uterus, little entrail, and the throat. Uterine fibroids are noncancerous developments of the uterus that frequently show up during childbearing years. Likewise called leiomyomas.
Hydrometra is a large and descriptive term that refers to a distended uterus filled with clear, non-infected fluid. Fluid accumulation in the uterus is termed hydrometra that appears as a Sonolucent fluid collection in the uterine canal sonographically.
1. How many bands did you detect in the lane with undigested plasmid? What size(s) were they? Explain each band. a. We detected there to be one band in the lane with the undigested plasmid.
Answer:
The aim is to eliminate organic matter by disintegrating it with said chemical compound
Explanation:
There are chemical compounds that clean the inorganic layers and others the organic ones.
In the case of sodium hydroxide, this hydroxide is capable of breaking down organic material by removing and removing it from surfaces.
If body fat has decreased but the scale has stayed the same, this means your client has gained which of the following?
a. Fat mass
b. Water weight
c. Bone density
d. Lean mass
Answer:
d. Lean mass
Explanation:
It happens when your body fat percentage is going down while gaining muscle. If your body fat percentage is going down but not your weight, you'll be dropping inches in no time, and this is an indication that you are moving in the right direction.
Answer:
d. Lean Mass
Explanation:
With the practice of exercise and a well-balanced diet, what usually happens is an increase in lean mass, associated with the loss of body fat.
This gain of lean mass mainly with people who practice resistance and strength exercises, such as weight training and Crossfit.
The bodyweight remains unchanged, even if the individual's body measurements change. That is since muscle mass weighs more than fat mass, with less volume.
The attached image shows the difference in volume for the same muscle weight (lean mass) and fat.
Which effect is most likely to occur as a result of clear-
cutting?
extinction of species
death of organisms
speciation
global warming
Answer:
Death of organism
Explanation:
Human activities include the clear-cutting of areas of forest to make space for farming.
Which effect is most likely to occur as a result of clear-cutting?
Is this your question?
Death of organisms effect is most likely to occur as a result of clear-cutting.
What do you mean by clearcutting?Clearcutting is an extreme logging method in which resilient natural forests are harvested and replaced with man-made tree plantations that do not replicate the ecosystem services of a healthy forest.
Clearcutting is one of the most publicly maligned and misunderstood forest regeneration treatments. It is the only way to grow trees that require full sunlight to reproduce, such as tulip poplar, black cherry, and aspen, and the fastest way to provide/create shrubland habitat.
Clear-cutting often contributes to reductions in root strength and soil water-holding capacity, due to soil compaction and reduced transpiration. Moreover, the removal of the forest cover exposes the soil surface to heavy precipitation and large variations in temperature.
Learn more about clear-cutting:
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Unattached earlobes are dominant to attached earlobes. Cleft chin is dominant to no cleft. Parents that are heterozygous for both traits are crossed. Determine the ratios of offspring with: Unattached earlobes and cleft chin
Answer:
the Unattached earlobes and cleft chin = 9/16
Answer:
the Unattached earlobes and cleft chin = 9/16
Unattached earlobes and no cleft = 3/16
Attached earlobes and no cleft = 3/16
Attached earlobes and no cleft = 1/16
Explanation:
on edg
which describes a meta phase plate
Answer:Metaphase plate refers to sister chromatids lining up in the center of the cell. This event occurs during the metaphase of the cell division and it is the indication of this phase. Metaphase plate is a moment when all of the chromosomes organize, line up literally in a row and after that begin to.
Cystic fibrosis (CF) is one of most common recessive disorders among Caucasians it affects 1 in 1,700 newborns. What is the expected frequency of carriers of the CF gene? What proportion of matings in the population could produce a child with CF? What is the expected incidence of CF among the offspring of two parents who are both carriers?
Answer: The expected frequency of carriers is P(Aa)=0.046.
The proportion of childs with CF is P(aa)=0.024.
25% of having a child with CF (aa).
Explanation:
Hardy-Weinberg's principle states that in a large enough population, in which mating occurs randomly and which is not subject to mutation, selection or migration, gene and genotype frequencies remain constant from one generation to the next one, once a state of equilibrium has been reached which in autosomal loci is reached after one generation. So, a population is said to be in balance when the alleles in polymorphic systems maintain their frequency in the population over generations.
Given the gene allele frequencies in the gene pool of a population, it is possible to calculate the expected frequencies of the progeny's genotypes and phenotypes. If P = percentage of the allele A (dominant) and q = percentage of the allele a (recessive), the checkerboard method can be used to produce all possible random combinations of these gametes.
Note that p + q = 1, that is, the percentages of gametes A and a must equal 100% to include all gametes in the gene pool.
The genotypic frequencies added together should also equal 1 or 100%, and all the equations can be summarized as follows:
[tex]p+q=1\\(p+q)^{2} = p^{2} +2pq+q^{2} = 1\\P(AA)=p^{2} \\P(aa)=q^{2} \\P(Aa)=2pq1[/tex]
So, there are 1700 individuals and only one is affected. Since it is a recessive disorder, the genotype of that individual must be aa. So the genotypic frequency of aa is 1/1700=0.000588.
Then, [tex]P(aa)=q^{2}=0.000588[/tex]. And with that we can calculate the value of q,
[tex]P(a)=q=\sqrt{0.000588}=0.024[/tex]
And since we know that p+q=1, we can find out the value of p.
[tex]p+0.024=1\\1-0.024=p\\p=0.976[/tex]
Next, we find out the genotypic frequency of the genotype AA:
[tex]P(A)=p=0.976\\P(AA)=p^{2} = 0.976^{2}=0.95[/tex]
Now, we can find out the genotypic frequency of the genotype Aa:
[tex]P(Aa)=2pq=2 x 0.976 x 0.024 = 0.046[/tex]
Notice than:
[tex]p^{2} + 2pq + q^{2} = 1\\x^{2} 0.976^{2} + 2 x 0.976 x 0.024 + 0.024^{2} = 1[/tex]
Then, the expected frequency of carriers is P(Aa)=0.046
The proportion of childs with CF is P(aa)=0.024
If two parents are carriers, then their genotypes are Aa.
Gametes produced by them can only have one allele of the gene. So they can either produce A gametes, or a gametes.
In the punnett square, we can see that there genotypic ratio is 2:1:1 and the phenotypic ratio is 3:1. So, there is a probability of 25% of having an unaffected child, with both normal alleles (AA); 50% of having a carrier child (Aa) and 25% (0.25) of having a child with CF (aa).
Uncellular eukaryotic organisms belong to?
All eukaryotic unicellular organisms belong to Protista.
Answer:
Unicellular eukaryotic organisms belong to kingdom protista.
Explanation:
Unicellular eukaryotic organisms belong to kingdom protista. They depend on other organisms for their food since they're not able to produce their own.
Hope this helps :)
Question 8 of 10
The term carbon footprint refers to the amount of carbon dioxide:
A. broken down due to a person's activities.
B. given off due to a person's activities.
C. stored by a person.
O D. consumed by a person.
SUBMIT
Pls help
Answer:
1 B carbon footprint refers to the amount of carbon dioxide given off due to the activities of particular individuals, organization or community
What was the population density of the original sample? What would have happened if you had inoculated an agar plate with 1 mL of the original sample?
Answer:
The sample was at a population density of 8.75x10^4 CFU/mL originally.
Explanation:
Had it been inoculated in the way as described in the question statement, the bacterial growth would have covered all of the agar plate and we would not have been able to distinguish individual colonies of bacteria. 1 mL is too much of a sample volume to use in cases like these.
A friend comes to you extremely agitated and says her husband beat her last night.She says she doesn't know what to do.You Can See She's Very panicky.Everything you suggest just seems to provoke more anxiety and fears.When you try to respond to one aspect of the problem.Your friend interrupt's frantically and jumps to another.Explain what can you do to help.
In cell biology, what does the word queue describe?
Answer:
In cell biology, the word Queue describes the long arm of a chromosome.
Explanation:
The long arm of a chromosome is termed the q arm. All human chromosomes have two arms; the p arm which is the short arm and the q arm which is the long arm. The two are separated from each other only by primary constriction at the center called the centromere, the point at which the chromosomes is attached to the spindle fibers during cell division.
Large-scale fires can lead to a decrease in atmospheric carbon dioxide,
Please select the best answer from the choices provided
ОТ
OF
Answer:
False
Explanation:
Fires produce carbon dioxide
Which substance is a solid?
This chart shows descriptions of the atoms for four
different substances.
Descriptions of Four Substances
Object 1 Object 2 Object 3 Object 4
Slide past Are very Form a crystal Spread out to
each other viscous
fill their
container
Object 1
Object 2
Object 3
Object 4
This question is incomplete and options are not clear; here, is the complete and correct question:
Which substance is a solid?
A.Object 1
B. Object 2
C.Object 3
D. Object 4
This chart shows descriptions of the atoms for four different substances:
Object- Description of Four Substances
Object 1- Slide past each other
Object 2-Are very viscous
Object 3-Form a crystal
Object 4- Spread out to fill their container
The correct answer to this question is C. Object 3- Form a crystal
Explanation:
The formation of crystals or crystallization is a process that occurs only in solids because in these particles are extremely organized and placed together, which forms defined structures or crystals. Additionally, due to crystallization and the organization of particles, solids always have a defined shape and volume, which means they do not adapt to a container. Moreover, particles only vibrate but do not move freely. Thus, the fact the substance form a crystal shows this is a solid.
Answer:
c
Explanation:
the period during which blood is being pumped past the semilunar valves into the elastic arteries
Answer: ejection
Explanation:
A chemical reaction is an interaction that always causes:
O A. matter to be changed into energy.
B. macromolecules to be formed from glucose.
O C. molecules to break apart into atoms.
O D. atoms to be rearranged into new substances.
Answer:
D. atoms to be rearranged into new substances.
Explanation:
Chemical reactions involve interaction between chemicals such that all reactants are changed into new materials. The properties of the new materials are different from those of the reactants.
Chemical reactions involve breaking chemical bonds between reactant molecules (particles) and forming new bonds between atoms in product particles (molecules). The number of atoms before and after the chemical change is the same but the number of molecules will change.
who is the father of genetics
Answer:
The father of genetics is Gregor Mendel. Gregor Mendel was considered the father of genetics during the 19th century.
Hope this helps! :)
As Hite and Seitz (2016) discuss in Chapter 5: Climate Change, reputable scientific studies continue to show that the Earth is warming at an unsustainable rate because of a rise in the release of CO2 and methane gases. What is the relationship between population increases and climate change
Answer:
See the answer below
Explanation:
The relationship between climate change and increased population of humans is a direct one. As the population of humans increases, their activities leading to the release of greenhouse gases such as CO2 and methane also increases. The greenhouse gases are primarily responsible for the warming of the earth.
As more and more greenhouse gases are released into the atmosphere, more radiation from the sun is trapped in the atmosphere and the earth receives more warmth. This extra heat received leads to increase in the global temperature, a phenomenon known as global warming. As the average global temperature increases, climate becomes more erratic and unpredictable.
The greenhouse gases-related activities of humans that are bound to increase with the increase in population include deforestation, fossil fuel burning, industrialization, etc.
Engli
Relating Tectonic Activity to Formation of Sedimentary Basins
Answer the questions using the drop-down menus.
At what type of boundary do strike-strip basins form?
At what type of boundary do wedge basins form?
At what type of boundary do rift basins form?
At what type of boundary do arc basins form?
Answer:
1) Strike strip basins form at transform boundary
2) Wedge basins form at convergent boundary
3) Rift basins form at divergent boundary
4) Arc basins form at convergent plate boundaries
Explanation:
1) Strike-slip fault can be which are horizontally blocks that have vertical fractures are found in transform boundaries
2) Wedge basins which occur at a convergent plate boundary are made from sediments from their growth are involved in the flexture of the subducting and non-subducting tectonic plate in a downward direction
3) A Rift basin is one that is formed during the process of the rift formation as the continental crust is stretched
4) Arc basins is a basin formed at the back of an island
The first glycolysis rate-limiting enzyme is under various allosteric regulations. This protein is nearly inactive because of inhibition by ( ) under physiological conditions. The activity is restored by ( ), its most potent allosteric activator.
a. AMP :::: citrate
b. AMP :::: Fru-2,6-P2
c. ATP :::: citrate
d. ATP :::: Fru-2,6-P2
e. All of these
Answer:
d. ATP; Fructose-2,6-bisphosphate
Explanation:
Phosphofructokinase-1 is the enzyme that catalyzes the formation of fructose-1,6-bisphosphate from fructose-6-phosphate and ATP. The phosphofructokinase step is the first rate-limiting step of glycolysis.
Phosphofructokinase-1 activity is allosterically regulated. Its activity is increased whenever the cell's ATP supply is depleted or when its breakdown products, ADP and AMP accuulates in he cell. However, it is inhibited when the cell is amply supplied with ATP.
The activity of phosphofructokinase-1 is restored by fructose-2,6-bisphosphate, its most potent activator.
From the given options:
a. AMP :::: citrate is wrong because AMP increases the activity of phosphofructokinase-1 and citrate is not its activator but an inhibitor
b. AMP :::: Fru-2,6-P2 is wrong because AMP increases its activity same as fructose-2,6-bisphosphate
c. ATP :::: citrate is wrong because both citrate and ATP are inhibitors
d. ATP :::: Fru-2,6-P2 is correct as explained above
e. All of these is wrong because of the other wrong options above.
Which of the following is not a possible environmental consequence of urban sprawl?
a.
deforestation
b.
pollution
c.
loss of natural resources
d.
none of the above
The correct answer is D. None of the above
Explanation:
Urban sprawl or the expansion of human settlements such as cities has multiple negative consequences on the ecosystems. This includes deforestation because trees are usually cut to build houses and other human structures. Indeed, most threes and plants are removed for human construction. This also implies a loss of natural resources that include a wide variety of plants, animals, and even water as nearby bodies of water might be polluted. Besides, this general pollution increases in the area this includes noise pollution, water pollution and air pollution that result from human activities. Thus, all are possible consequences of urban sprawl; therefore, the correct answer is none of the above.
Drag each label to the correct location. Sort the examples based on whether they describe a physical change or a chemical reaction. Please help!!
Answer:
See explanations below.
Explanation:
growth of seed into seedling
- chemical (bio-chemical) change. The seed will never be there in its form again, the properties of the growth are different from the seed.
wax melting
- physical change. When heat is withdrawn, it reverts to the same solid wax, with only different physical properties (such as shape or texture).
making caramel
- chemical change. it is almost like burning part of the sugar content. The browning cannot be changed back to white sugar, smells and tastes different. However, on part of the sugar has undergone chemical change.
Tarnishing of silver
- chemical change. The brown substance is silver sulphide due to reaction of silver with sulphur dioxide present in minute quantities in the air. The silver can be made to shine again by REMOVING the silver sulphide, not by reversing the change.
grinding wheat to make flour.
- physical change. The compound is still flour that contains mainly starch. The chemical properties are the same as wheat, in providing nutrients, etc.
Adding copper and gold to make jewelry.
- physical change. The two metals together make an allow, which is basically a mixture. Both physical and chemical properties of the individual metals remain.