Given what you know about these two strains of yeast, what role does a cell's ability to repair dna play in how well it tolerates exposure to sunlight?

c

explanation:

i think

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.