Which is one function of a protein macromolecule?
a. making up the code for living things
b. providing waxy coating on leaves
c. carrying oxygen in the blood
d. insulating organs of the body
b. carrying oxygen in the blood

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

The pronunciation aid that determines the stress placed upon a syllable is the

What material did the moon come from?