2.1/2.2

Question 1

What are the types of DNA damage?

Answer 1

MNRB

M: Nucleotide modification
N: Neighbouring nucleotides
R: Rung
B: Breaks (double/single stranded)

Question 2

What are the types of DNA repair?

Answer 2

MR NER BER (+ Joining)

MR: Mutation repair (upstream nick, fill in with polymerase)
NER: Nucleotide excision repair (large section)
BER: Base excision repair (single base)
Homologous/non-homologous end joining

Question 3

What are the different types of proteins?

Answer 3

• Structural proteins (collagen, collagens, actin/myosin)
• DNA-associated (histones)