Minkoff Ch. 2 Flashcards
1
Q
Define nucleotide
A
a compound consisting of a nucleotide linked to a phosphate group; nucleotides form the basic structural unit of nucleic acids such as DNA
2
Q
DNA’s backbone (ladder handrails) consists of two alternating molecules linked in a chain:
A
phosphates & sugars
3
Q
The rungs (steps) of the double helix ladder consist of
A
pairs of nitrogenous bases
