base your answer to this question on the diagram below and on your knowledge of biology. The diagram represents a human enzyme. Describe one role of enzymes in the human body.

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

Select the star life cycle that is accurate

Why do you suppose the structural polysaccharide cellulose does not contain branches?