Translation I

Question 1

Which of these is the definition of genotype?

a. the tissues and organs that make up an organism

b. the protein constitution of an individual organism

c. the genetic constitution of an individual organism

d. the mRNA which gets transcribed from DNA

Answer 1

c. The genetic constitution of an organism.

Question 2

Which of these is the definition of phenotype?

a. the genes present within an organisms genome

b. the tissues and organs which make up an organism

c. the mRNA that is transcribed from the genome

d. the observable characteristics of an individual

Answer 2

d. the observable characteristics of an individual

Question 3

Which of these are loop structures on tRNA?

a. T loop

b. codon loop

c. anti-codon loop

d. Psi loop

e. fruit loop

f. D loop

Answer 3

a. T-loop, c. anti-codon loop, and f. D-loop

Question 4

How much of the ribosome is made from rRNA?

a. about a quarter

b. about a third

c. about half

d. about two thirds

Answer 4

d. about two-thirds

Question 5

Which is the more “stable” ribosomal subunit?

a. small subunit

b. large subunit

Answer 5

b. large subunit

Question 6

The “E” for the “E” site of the ribosome stands for ______ ______.

Answer 6

Exit site!

Question 7

The “P” for the “P” site of the ribosome stands for ____ ____.

Answer 7

Peptidyl site!

Question 8

The “A” for the “A” site of the ribosome stands for ________ _____.

Answer 8

Aminoacyl site!

Question 9

Wobble base pairing allows inosine on the tRNA anticodon loop to pair with…

a. A, G, or T

b. U or C

c. C, A or U

d. A or G

Answer 9

c. C, A, or U

Question 10

What are the three main stages of the Translation cycle?

Answer 10

1. Initiation
2. Elongation
3. Termination

Question 11

What two “languages” does translation bridge?

Answer 11

Translation translates the nucleotide ‘language’ to the amino acid ‘language’