Thylakoids contain clusters of chlorophyll and proteins known as. a. chloroplasts
b. stroma
c. photosynthesis
d. photosystems

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human