bio 9 Flashcards
1
Q
what 2 forms can dna exist in?
A
chromatin and chromosomes
2
Q
dna is a type of ____ acid
A
nucleic
3
Q
nucleic acid consists of ____ bonded together to make a ____
A
nucelotides
polymer
4
Q
nucletides are composed of what 3 things:
A
sugar
phosphate group
a nitrogenous base
5
Q
what does the dna double helix consist of?
A
2 antiparallel nucleotide strands