Unit 13 Vocab Flashcards
1
Q
Nucleic Acids
A
long, slightly acidic molecules built from small monomers called nucelotides.
2
Q
What is a DNA nucletodie made up of?
A
5 carbon sugar, phosphate group, nitrogenous base
3
Q
nitrogenous bases
A
Adenine, guanine, cystonie, thymine
4
Q
Antiparallel strands (on double helix model)
A
2 strands of DNA run in opposite directions
5
Q
base pairing
A
the nearly perfect fit between A-T and G-C nucleotides
6
Q
Replication
A
Before cell divides, it duplicates its DNA in a copying process (during S phase of cell cycle).
7
Q
DNA Ploymerase
A
the principle enzyme involved in DNA replication; it joins nucleotides to synthesize a new complementary strand of DNA.
8
Q
Telomeres
A
tips of eukaryotic chromosomes
