pack 2

Question 1

Initiation

Answer 1

Begins with the small ribosomal subunit binding to the mRNA and positioning at the start codon (AUG). The initiator tRNA binds directly to the P site.

Question 2

Elongation

Answer 2

Amino acids are added to the growing peptide chain

Question 3

Termination

Answer 3

Occurs when a stop codon is encountered

Question 4

Phosphorylation

Answer 4

Adds phosphate groups to serine

Question 5

Glycosylation

Answer 5

Adds carbohydrate chains to proteins

Question 6

Hydroxylation

Answer 6

Proline and lysine residues in collagen are hydroxylated

Question 7

Trimming

Answer 7

Precursor proteins may undergo cleavage by proteases to become functional