DLA 14

Question 1

What are the consequences of altering a nucleotide sequence?

Answer 1

nonsense mutation
silent mutation
missense mutation

Question 2

What is the start codon?

Answer 2

AUG

Question 3

What are stop codons?

Answer 3

UAA

UAG

UGA

Question 4

what are the components required for translation?

Answer 4

mRNA

ribosomes

charged tRNA

GTP

initiation factors

Question 5

What are the three binding sites of the ribosome?

Answer 5

P site

A site

E site

Question 6

What does the P site do?

Answer 6

holds the tRNA that carries the growing chain

Question 7

What does the A site do?

Answer 7

holds the tRNA that carries the next AA to be added

Question 8

What does the E site do ?

Answer 8

the exit site

Question 9

What are the prokaryotic subunits of the ribosome?

Answer 9

50S and 30S = 70S

Question 10

What are the eukaryotic subunits of the ribosome?

Answer 10

60S and 40S = 80 S

Question 11

The wobble hypothesis?

Answer 11

The first two bases of the codon are traditional, but the last base is less stringent