Which is a key element found in all carbohydrates, lipids, proteins, and nucleic acids?

ammonia

carbon

nitrogen

legumes

Which enzymes break down carbohydrates?

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

Amines amides and amino acids are categories of