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Alik [6]
3 years ago
13

What is a telomere? What happens to telomeres each time DNA is replicated? How do cells prevent this from occurring?

Biology
1 answer:
vredina [299]3 years ago
7 0
Telomeres are protective sequences of nucleotides found at the ends of chromosomes,Which become shorter every time a cell divides.
A gradual degeneration of an organism occurs, resulting in ageing.
However, some cells are able to replenish their telomeres using the enzyme telomerase. 
Hope this helps! :)
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In a _____, people use communication primarily to exchange facts and information. a. collectivistic b. feminine culture c. high-
yarga [219]

Answer:

The correct answer is - option D. low context culture.

Explanation:

In low context cultures, individuals use communication in form of direct and precise facts and information. It does not depend on the non verbal language as in the high context culture.

People of these cultures does not go deep in the detail but focus more on the point and based on the facts rather body language this makes them independent to one other and look after one another rather collective interest.

Thus, the correct answer is - Option D. low context culture.

8 0
3 years ago
A cell undergoing cell division identifies a chromosomal misalignment. How does this normally affect the progress of the cell cy
telo118 [61]

When a cell undergoing cellular division identifies that a chromosome misalignment had taken place the cell cycle stops until the error it's corrected.

Option two of the question states that the cell cycle will <u>proceed uncontrollably, this is not the case for the error at hand</u>. Although this can be a problem for cells and leads to the appearance of cancer, it is not caused by chromosome misalignment. As is the case with options 3 and 4.

The stop or delay in the <u>cell cycle is what normally takes place in these situations.</u> This stoppage is done by the <em><u>spindle checkpoint</u></em>, which prevents <u>duplicate chromosomes from separating.</u>

During this time, the error it's corrected. If a cell is not able to correct the error at this time, many situations can follow. <u>However, the most likely is that the cell will undergo a <em>programmed cellular death.</em> </u>

To learn more visit:

brainly.com/question/6856672?referrer=searchResults

7 0
3 years ago
Cellular respiration uses the products of photosynthesis __________&amp; ___________ and produces _________ gas, _________ &amp;
defon

Explanation:

oxygen and glucose

carbon dioxide gas, water and ATP.

hope it helps. :)

4 0
2 years ago
According to the principle of faunal succession, what must be true of the fossils on a layer below?
sesenic [268]
The answer to this is older, but it's not a proven fact even though schools teach it as if it were. It is still just a theory if you think about it with how much the earth moves, areas of rock could be complete upside down and no one would know, it would be like history in reverse.
8 0
3 years ago
Read 2 more answers
What type of plate boundary is illustrated in the diagram below? *
Goshia [24]
F is your answer. Transform Boundary
6 0
3 years ago
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