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Andreyy89
3 years ago
8

A change in the base sequence of DNA is known as _____

Biology
2 answers:
Yuri [45]3 years ago
7 0
A. A gene mutation. I learned this last year. I hope it helped!!
S_A_V [24]3 years ago
3 0
The answer would be a. hope that helped
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A population of 400 squirrels, living in ideal conditions, has a birth rate of 50 squirrels and a death rate of 40 squirrels per
ludmilkaskok [199]

Answer:

Increases.

Explanation:

There are 10 squirrels increases per generation if the birth rate is 50 squirrels and a death rate is 40 squirrels. There is slow increase occur in the population of squirrel due to more birth rate as compared to death rate. If the birth rate is equal to death rate, no increase occur in the population while on the other hand, decrease occur in the population, if the birth rate is lower than death rate so according to the given data, the population of squirrel increases.

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3 years ago
Darwin's finches arose from a common mainland ancestor, but became isolated on different islands and evolved into 15 species of
fredd [130]
AGeopgraphic is the answer
3 0
3 years ago
FOR THE LOVE OF DIRT HELP!! WILL GIVE BRAINLIEST!!!!
Alex777 [14]

Answer:

First of all, scientists are sending off our DNA to other secrect agencys to study, so they can learn about our DNA and break it down. Killing humans, espically African Americans. They put these chemicals in commonly used products like lotion, wax, and medicine. So what makes people think they have the right to use it as evidence to solve crimes? WE CAN'T EVEN TRUST THEM ON THE REGULAR.

Explanation:

If you look this up on the internet, obviously it won't be there because they are trying to get paid. Hope this helps! :)

8 0
3 years ago
Read 2 more answers
Phosphatases are a family of enzymes that specifically remove phosphate groups from proteins that were added by protein kinases.
crimeas [40]

Answer:

The cell response to the signal will last longer than normal.

Explanation:

The enzyme, protein kinases does the opposite of what phosphatases does, they add a phosphate group to a protein. Both these enzymes regulate the protein activity in a cell.

6 0
3 years ago
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Almost all cacti are native to the Americas, but there is a small, relatively uncommon group of plants closely related to cacti
Iteru [2.4K]

Answer:

C) The continents were once connected.

Explanation:

All the continents were once part of the super-continent called Pangaea. Continental drift split it into fragments and led to the formation of the present-day continents. Since all the continents were connected, some of the cacti native to tropical western Africa must have been carried to present-day America.

The cacti populations present in America and tropical western Africa accumulated genetic variations to get adapted to the prevailing environmental conditions. Separation of continents by continental drift led to their geographical isolation and prevented any interbreeding between the populations. Over generations, the cacti present in two continents evolved into separate species.

5 0
3 years ago
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