Caco3 is an example of which type of material? select one: a. mixture b. colloid c. compound d. element

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.

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Two critical interventions to turn around the opioid crises are: