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.) 16%

C.) 31%

D.) 42%

E.) It cannot be determined from the information provided.

A particular triplet of bases in the template strand of DNA is 5' AGT 3'. The corresponding codon for the mRNA transcribed is

A.) 3' UCA 5'

B.) 3' UGA 5'

C.) 5' TCA 3'

D.) 3' ACU 5'

In an analysis of the nucleotide composition of DNA, which of the following will be found?

A.) A=C

B.) A=G

C.) A+ C= G+T

D.) G+C=T+A