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AysviL [449]
3 years ago
6

Now you are more familiar with the basic unit of structure and function for all living organisms. Answer the following questions

to check your knowledge: Name the two basic types of cells. answer Opens in modal popup window Summarize the three major points of the cell theory. answer Opens in modal popup window Which cell organelle carries the genetic information for each cell? answer Opens in modal popup window
Biology
1 answer:
Novay_Z [31]3 years ago
5 0

The main concept of cell theory is that cells are the basic structural unit for all organisms. ... Living things may be single-celled or they may be very complex such as a human being. ... Cells hold a variety of pieces and each cell type has a different purpose. ... The trillions of cells in your body make your way of life possible.


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An organism's genome is analyzed and found to contain 18% guanine. What percentage of that organism's DNA is adenine?
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Answer:

32%

Explanation:

According to Chargaff in his complementary base pairing rule, he stated that the proportion of purine and pyrimidine bases is equal to 100%

That is, A + T + G + C = 100%

Where A=T and G=C i.e the proportion of each base pair is equal.

Hence, if the Guanine content is 18%, it means the Cytosine content of that DNA molecule must also be 18%. Therefore:

18 + 18 + A + T = 100

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A + T = 64

If the sum proportion of Adenine and Thymine is 64% and each must contain equal proportions, A or T = 64/2 = 32

Hence, Adenine contains 32%, likewise Thymine.

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