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Ipatiy [6.2K]
4 years ago
7

Somatic hypermutation of V genes ​

Biology
1 answer:
zaharov [31]4 years ago
4 0

Answer:

Somatic hypermutation is a process in which point mutations build up in the antibody V-regions of both the heavy and light chains.

This process occurs at rates that are about 106-fold higher than the background mutation rates observed in other genes.

It allows B cells to mutate the genes that they use to produce antibodies. This then ensures the B cells to produce antibodies that are better able to bind to bacteria, viruses and other infections.

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Macy has hired 400 store sanyas. If each Santa sees 125 children a day for 30 days, how many children are seen by mac's santa
Pachacha [2.7K]
So here let's first find the amount of children every santa, in total, sees in one day. So if there are 400 santas, and each sees 125 children, you can just multiply 400 by 125 to see how many children all the Santas see in one day.

400 * 125 = 50,000

Now, since there are 30 days which all the santas see 50,000 children, you can then multiply 30 by the 50,000 children to get how many children are seen by Macy's Santas in a month.

30 * 50,000 = 1,500,000

So 1,500,000 children are seen by Macy's Santas.
7 0
3 years ago
A person who already has a sexually transmitted infection is more likely
Aneli [31]
HIV is the only disease listed here to be sexually transmitted.

-Tiara
4 0
3 years ago
Read 2 more answers
Because of the rapid rate of reproduction, the chances of survival for a species that produces ________ is greater.
Dima020 [189]

Answer: The correct answer for the fill in the blank is Asexually.

Asexually reproducing organisms have rapid rate of reproduction as only a single parent is involved in this. Also, there is no formation and fusion of gametes in this mode of reproduction.

They produce larger number of offsprings through rapid rate of reproduction. By doing so they have larger chances of survival.  

For instance, if a part of bacterial species population is wiped out through viral infection, bacteria can compensate this loss by the rapid rate of reproduction. This increases their chances of survival.

   

4 0
3 years ago
Read 2 more answers
HELP PLEASE! Why is it very unlikely for a frameshift mutation to be a silent mutation?
ehidna [41]

Answer:

Explanation: A frameshift mutation completely changes the genetic code from the point of the mutation, so the protein made as a result of the mutation would have the incorrect structure and would not function as it should.

6 0
3 years ago
emily wants to know how green, blue and red color light affects plant growth compared to natural light. (Hint: what light affect
MArishka [77]

Red and blue colored lights are most effective for plant growth.

Plant Growth is the dependent variable and light color is the independent variable. The rest are control variables.

A Control variable is the part of the experiment that we keep the same throughout all of the test subjects. An independent variable does not depend on other variables and a dependent variable does.

Allow me to explain. When we perform an experiment, many factors that can change the results, For this reason, it is common practice to keep many of them the same for all test subjects (In this case for all of the plants). This way we know that if changes are measured, they were not caused by these variables. These are what we call control variables.

An independent variable does not depend on other variables to remain the same. For example, the species of plant would be an independent variable, given that a plant cannot change its species because of other factors.

A dependent variable does change according to other variables and is often what we try to measure. For this example given, the dependent variable is how much the plant will grow with each colored light.

Knowing that plants rely on light to produce the energy needed to grow, we can <u>hypothesize</u> that applying different colors of light will have an effect on plant growth. To test this, we can create an experiment where we use:

  • Soil
  • amount of water
  • amount of light
  • species of plant
  • length of experiment

As control variables.

One group of plants will have blue light, another green, and another red. We can identify the color of light as an independent variable.

Since what we seek to measure is plant growth, we identify this as our dependent variable and measure it for each plant after a set amount of time, to compare results.

With this, you can confidently identify the control, dependent, and independent variables and how to use them in your experiment.

To learn more about experiments try: brainly.com/question/17314369?referrer=searchResults

4 0
3 years ago
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