quiz 8

Cytosine makes up 38% of nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in tis sample will be thymine?

12

If the sequence of a template DNA strand was 5' ACGTCC 3', the sequence of an RNA strand synthesized based on this template would be:

GGACGU

If a tRNA molecule that is specialized for the transfer of the amino acid valine has the anticodon CAG, it will couple with the codon

GUC

What is an anticodon?

Three consecutive bases in tRNA

Which of the following is found in RNA but not in DNA?

Uracil

All of the following are found in DNA except

a phospholipid group

Semiconservative DNA replication means that:

each new DNA molecule has half the DNA from the old one

Which of the following molecular structures contains codons?

mRNA

Ribosomes are a collection of:

proteins and small RNAs that function in translation.

What is meant by the description "antiparallel" regarding the strands that make up DNA?

the 5' to 3' direction of one strand runs counter to the 5' to 3' direction of the other strand