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raketka [301]
3 years ago
8

How does the enzyme telomerase meet the challenge of replicating the ends of linear chromosomes?

Biology
1 answer:
maxonik [38]3 years ago
3 0

Answer:

The correct answer is C) It catalyzes the lengthening of telomeres, compensating for the shortening that could occur during replication without telomerase activity.

Explanation:

While replicating, the ends of the chromosomes always lose a part of the ends, therefore, the telomerase catalyzes this growing process, somehow compensating the information that will be lost.

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What is Precisely means?<br>​
raketka [301]

  • Precisely is defined as exactly, specifically or with precision. ... When it is exactly 1:00, this is an example of a time when it is precisely 1:00. When you carefully place books on a shelf with great precision, this is an example of a time when you place the books precisely on the shelf.

5 0
2 years ago
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What is conservation genetics?Question 82 options: conserving a species genome so that it is best adapted to the current environ
solong [7]

Answer:

a way to inform conservation efforts based on genetic information from species

Explanation:

Genetic studies in wildlife and captivity species provide significant information to understand aspects regarding the biology and ecology of species, especially endangered species. Many discoveries have been useful to solve several taxonomic issues, determine the risk of diseases, and explain reproductive problems, among other problems. What is even more important is that genetic knowledge helps to plan management programs and conservation. Together with other areas related to behavior and conservation, genetic knowledge provides the basis to carry out successful conservation strategies.  

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3 years ago
Simple animals are able to supply their cells with nutrients through diffusion and active transport across cell membranes becaus
goldfiish [28.3K]
This is because of B. Their cells are in direct contact with the environment.
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3 years ago
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What is the most in danger from the effects of overfishing?
Dennis_Churaev [7]

Answer:

What is the most in danger from the effects of overfishing?

Animals that are normally eaten by fish.

Explanation:

There will be distruption of the food chain as the feeding pattern of those that feeds on fish changes as a result of scarcity of fish in the ocean due to overfishing which poses a danger

8 0
3 years ago
g If a person takes a prescribed dose of 10 milligrams of Valium, the amount of Valium in that person's bloodstream at any time
Elenna [48]

Answer:

a. 8.1 milligrams

b. 40.07 hours

c. 8.859 milligrams

Explanation:

If a person takes a prescribed dose of 10 milligrams of Valium, the amount of Valium in that person's bloodstream at any time can be modeled by

A_{t}=10e^{-0.0173t}

Where A(t) = amount of Valium remaining in the blood after t hours

t = time or duration after the drug is taken

a. we have to calculate the amount of drug remaining in the bloodstream after 12 hours

A_{12}=10e^{-0.0173\times12}

A_{12}=10e^{-0.2076}

                = 10×0.81253

                = 8.1 milligrams

b. In this part we have to calculate the time when A(t) = 5 milligrams

5=10e^{-0.0173\timest}

\frac{5}{10}=e^{-0.0173t}

0.5 = e^{-0.0173t}

Now we take natural log on both the sides of the equation.

ln(0.5) = ln(e^{-0.0173t})

-0.69314 = -0.0173t

t = \frac{0.69314}{0.0173}

t = 40.0658

 ≈ 40.07 hours

c. In this part we have to calculate the rate, by which amount of drug will decay in the bloodstream after 7 hours.

A_{7}=10e^{-0.0173\times7}

A_{7}=10e^{-0.1211}

              = 10×0.8859

              = 8.859 milligrams

6 0
3 years ago
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