3.9DNA replication And The Genetic Code Flashcards
1
Q
DNA replication
A
2 strands of DNA separate and each strand serves as a template for new DNA. base pairing ensures identical strands
2
Q
Semi-conservative replication
A
2 DNA molecules, each with 1 old DNA strand and 1 new DNA strand
3
Q
DNA Helicase
A
Unwinds and separates 2 DNA strands before replication. Catalyses reactions breaking hydrogen bonds
4
Q
DNA polymerase
A
Catalyses formation of phosphodiester bonds between nucleotides (zips strands together)
5
Q
Mutation
A
Error in sequence of bases
6
Q
Genetic code
A
Instructions in the DNA coding for proper sequence of amino acids
7
Q
Triplet code
A
Sequence of 3 bases, coding for a codon
8
Q
Codon
A
Codes for 1 amino acid
9
Q
Gene
A
Section of DNA containing complete sequence of bases to code for an entire protein
