BI-1579
Complementary base pairing
Biology · Secondary 4 · Hard · Complementary base pairing
A DNA sample from a plant cell is analysed. 28% of the bases are adenine.
What are the percentages of cytosine, guanine and thymine in this DNA sample?
What are the percentages of cytosine, guanine and thymine in this DNA sample?
- cytosine 22%, guanine 22%, thymine 28%
- cytosine 28%, guanine 28%, thymine 22%
- cytosine 36%, guanine 36%, thymine 28%
- cytosine 18%, guanine 18%, thymine 54%
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