Cytosine makes up 42% of the nucleotides in a sample of dna from an organism. approximately what percentage of the nucleotides in this sample will be thymine? a 8% b 31% c 42% d 16%

A) 8% - because cytosine pairs with guanine so they have the same percentage and that makes it up to 84%. Adenine and Guanine also occur in the same percentages are they pair so 100-84 leaves 16% remaining, divided by 2 leaves 8% for both cytosine and guanine.

Well i had the same answer, so the correct answer would be a. but in this case it would be the one with plasma membrane and cell wall circled that is next to the hairy pill type of thing.