Which statement best describes the molecular structure of protein , along with one of the function of proteins? (A)It’s is a straight chain hydrocarbon that can help fight disease
(B) it’s a complex, folded chain that helps regulate cell processes
(C) it’s a simple carbon , hydrogen , oxygen molecule that creates movements
(D) it’s a chain of nucleotide, and form muscle, bone, and ligaments

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