2.6 - Protein Synthesis

Question 1

What is transcription?

Answer 1

1 strand of DNA is copied to make a strand of mRNA

Question 2

What happens in transcription?

Answer 2

1. DNA unzips (breaking hydrogen bonds)
2. 1 strand acts as a template.
3. Complementary nucleotides pair up (complementary base pairing between nucleotides and template strand)
4. RNA polymerase joins nucleotides together using phosphodiester bonds
5. Form mRNA

Question 3

In translation what is the last codon called?

Answer 3

Stop codon

Question 4

Where does translation take place?

Answer 4

At the ribosome

Question 5

What is translation?

Answer 5

mRNA is used as a template to make a polypeptide (which folds into a protein)