Genetics

Question 1

DNA is copied into RNA

Answer 1

Transcription

Question 2

RNA is used to synthesize encoded protein

Answer 2

Translation

Question 3

Central dogma

Answer 3

DNA –> RNA –> protein

Question 4

How many H bonds between adenine and thymine?

Answer 4

Two

Question 5

How many H bonds between cytosine and guanine?

Answer 5

Three

Question 6

Enzyme that unzips DNA helix

Answer 6

Helicase

Question 7

Enzyme that synthesizes short regions of RNA called primers

Answer 7

Primases

Question 8

Which direction does DNA polymerases synthesize?

Answer 8

5’ to 3’ (+ strand)

Question 9

Enzyme that forms covalent bonds between adjacent nucleotides

Answer 9

Ligase

Question 10

What is the correct order of DNA replication?

Answer 10

Helicase, primase, DNA polymerase, DNA ligase

Question 11

Temporary copy of genetic information

Answer 11

mRNA

Question 12

Codon = how many nucleotides?

Answer 12

Three

Question 13

Start codon

Answer 13

AUG

Question 14

1 incorrect nucleotide

Answer 14

Base substitution

Question 15

Mutation that codes for same amino acid as original

Answer 15

Synonymous/silent

Question 16

Mutation that creates codon for different amino acid

Answer 16

Missense

Question 17

Creates a stop codon

Answer 17

Nonsense

Question 18

Addition or deletion of one or two pairs

Answer 18

Frameshift mutation

Question 19

‘Naked’ DNA uptake by competent bacteria

Answer 19

Transformation

Question 20

Virally mediated (phage)

Answer 20

Transduction