Molecular Biology of Inheritance

What portion of a tRNA molecule binds to the codon of an mRNA molecule?

Select one:

a. promoter site

b. amino acid binding site

c. RNA polymerase

d. anticodon

e. DNA sequence

How many DNA bases are in each codon?

Select one:

a. 3

b. 16

c. 4

d. 20

e. 64

What is the correct pairing for nitrogenous bases?

Select one:

a. adenine-uracil; guanine-cytosine

b. adenine-cytosine; guanine-thymine

c. adenine-thymine; guanine-cytosine

d. adenine-adenine; guanine-guanine

e. adenine-guanine; thymine-cytosine

Which nucleotide is found in RNA but not DNA?

Select one:

a. thymine

b. adenine

c. uracil

d. cytosine

e. guanine