rna contains which of the following? choose one
a. adenine
b. cytosine
c. thymine
d. guanine
e. uracil
a. adenine
b. cytosine
c. thymine
d. guanine
a. adenine
b. cytosine
c. thymine
d. guanine
e. uracil
b. cytosine
c. thymine
d. guanine