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SVETLANKA909090 [29]
3 years ago
9

What structure prevented the red onion cell from swelling up and bursting when they were placed in water?

Biology
1 answer:
zimovet [89]3 years ago
4 0

Answer:

I think its B    

Explanation:

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Alex787 [66]
C. DNA Polymerase matches adenine to thymine and cytosine to guanine. Two identical double helixes are produced.
4 0
3 years ago
Which is the result of meiosis II? A. two diploid daughter cells B. four diploid daughter cells C. two haploid daughter cells D.
snow_tiger [21]

The answer to your question is,

D. Four haploid daughter cells.

-Mabel <3

7 0
3 years ago
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Over a period of two generations, the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency
tekilochka [14]
This is an example of microevolution.

Microevolution
represents a small change in the genetic structure of the population. These changes manifest through the change in the allele frequencies of genes like in the case of dung beetles.
The causes of microevolution are evolutionary mechanisms, natural selection, genetic drift, mutations and gene flow.
5 0
3 years ago
The Institutional Review Board 1) Reviews only studies in animals 2) Reviews clinical studies (in humans) 3) Is constituted by t
Gala2k [10]

Answer:

C. 2 and 4 are correct

Explanation:

Institutional review board protects the rights of human research.

They are involved with reviewing of all research that involves the use of humans before it is conducted and protect the welfare of the human involve and the privacy.

The member of the board must be 5 and above and it include people from different fields that are knowledgeable and will provide findings on human research. A non scientist is also involve and someone from other field.

2 and 4 is correct

8 0
3 years ago
How are chunks of time in the geologic timeline organized?
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About the geologic time scale divisions
The geologic history of the Earth is broken up into hierarchical chunks of time. From largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

8 0
3 years ago
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