Translation

Question 1

Three nucleotides code for an

Answer 1

Amino acid

Question 2

True or false: some amino acids have more than one codon

Answer 2

True

Question 3

Where does protein translation occur

Answer 3

Ribosome

Question 4

How does mRNA exit the nucleus

Answer 4

Nuclear pore

Question 5

Stop codon in the wrong place

Answer 5

Nonsense mediated mRNA decayQ

Question 6

Quality check = recognition of _______ and __________

Answer 6

5’ cap, poly A tail

Question 7

The three mRNA binding sites in ribosomes

Answer 7

A, P, E

Question 8

Site of ribosome biosynthesis

Answer 8

Nucleolus

Question 9

Where are the 2 locations for ribosomes

Answer 9

• Free ribosomes in cytoplasm
• Rough ER

Question 11

Couples amino acids to correct tRNA

Answer 11

Specific aminoacyl tRNA synthetase

Question 12

What is the special initiator tRNA that starts translation

Answer 12

Methionine

Question 13

Bond formed between amino acids

Answer 13

Peptide bond

Question 14

What end of growing polypeptide chain are amino acids added to

Answer 14

C-terminal

Question 15

UAG, UAA and UGA are

Answer 15

Stop codons

Question 16

Newly synthesised amino acid chain released with help of

Answer 16

release factor

Question 17

Bind to 5’-region of mRNA and prevent initiation of translation

Answer 17

Translational repressors

Question 18

Megaloblastic anaemia is characterised by

Answer 18

Enlarged RBCs

Question 19

What disease is caused by deficiencies in folic acid or vitamin B12

Answer 19

Megaloblastic anaemia