Molecular Genetics Flashcards
1
Q
DNA
A
A,T,G,C –hereditary information of the cell with a double helix; w/ major and minor grooves
2
Q
DNA backbone
A
5’ to 3’ phosphodiester bonds form phosphate backbone
3
Q
RNA
A
A,U,G,C –functional usage –varies per type (mRNA linear, tRNA clover, rRNA globular)
4
Q
CUT the PYE means?
A
C, U, and T are pyrimidines, G and A purines
5
Q
DNA Replication begins at special sites called?
A
origins of replication in middle of the DNA molecule
6
Q
DNA strands separate to form ___________ that expand in both directions
A
replication bubbles
7
Q
Do prokaryotes or eukaryotes have multiple origins of replication?
A
Eukaryotes have multiple. Prokaryotes have ONE
