Molecular Genetics

Question 1

DNA

Answer 1

A,T,G,C –hereditary information of the cell with a double helix; w/ major and minor grooves

Question 2

DNA backbone

Answer 2

5’ to 3’ phosphodiester bonds form phosphate backbone

Question 3

RNA

Answer 3

A,U,G,C –functional usage –varies per type (mRNA linear, tRNA clover, rRNA globular)

Question 4

CUT the PYE means?

Answer 4

C, U, and T are pyrimidines, G and A purines

Question 5

DNA Replication begins at special sites called?

Answer 5

origins of replication in middle of the DNA molecule

Question 6

DNA strands separate to form ___________ that expand in both directions

Answer 6

replication bubbles

Question 7

Do prokaryotes or eukaryotes have multiple origins of replication?

Answer 7

Eukaryotes have multiple. Prokaryotes have ONE