The Living World 8th Edition by George Johnson

تمرين 16

Nucleic acids
A) are the energy source for our bodies.
B) act on other molecules, breaking them apart.
C) are found only in a few, specialized locations in the body.
D) are information storage devices found in body cells.
A nucleotide is composed of all of the following except
A) 5-carbon sugar.
B) nitrogen base.
C) 6-carbon sugar.
D) phosphate group.