DNA STRUCTURE AND REPLICATION QUIZ

70 °C

100 °C

60°C

90 °C

reverse transcriptase

primase

both (a) and (b)

RNA polymerase

Joins nicks in DNA strands

Synthesizes the lagging strand

Makes copies of mRNA from DNA

Digests mRNA when it is no longer needed

hydrogen bonds between the pair of bases

covalent bonds between the pair of bases

None of these

ionic bonds between the pair of bases

2', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain

3', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain

2', 3' phosphodiester bonds to form a repetitive sugar-phosphate chain

3', 4' phosphodiester bonds to form a repetitive sugar-phosphate chain

Some S amino acids cause proteins to bend; others cause protein to flatten.

The many different amino acid R groups on proteins confer many different shapes.

All of these

DNA has one main function in cells whereas proteins have many.

either (b) or (c)

with no primer

but with a polynucleotide primer labeled with a fluorescent dye

but with an oligonucleotide primer labeled with a fluorescent dye

all of these

below DNA containing 14N

with 14N-containing DNA

above DNA containing 14N

bZIP

TFIID

helix-turn-helix

zinc finger

polymerase

gyrase

DNA ligase

RNA ligase