bio 14 Flashcards
1
Q
dna replication is…
A
the copying of dna
2
Q
in dna replication, the parent dna molecule unwinds, and two new daughter strands are built based on…
A
base paring rules
3
Q
what is protein synthesis?
A
protein is produced from the genetic code in dna
4
Q
two stages of protein synthesis
A
transcription and translation
5
Q
define transcription
A
the synthesis of rna from dna
6
Q
define translation
A
the actual synthesis of a polypeptide, which occurs under the direction on mrna
7
Q
what does a codon in messenger rna translate into?
A
an amino acid
8
Q
where does transcription occur
A
inside the cell nucleus
9
Q
where does translation occur?
A
in the cytoplasm
10
Q
what are mutations?
A
changes in the genetic material of a cell
11
Q
what are mutagens
A
physical or chemical agents that can cause mutations
