Which of the following describes a CARBOHYDRATE? Which describes a LIPID? 1. apples and bread
2. ring shaped structure for monomer
3. can be saturated or unsaturated
4. the polymer is called polysaccharide
5. steroids and hormones

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Photosynthesis converts solar energy into what type of energy?

As a small change in a person's dna can cause a genetic disorder