The main source of energy used by the body is found in? proteins
carbohydrates
fats
minerals

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

In the practice of science, this type of reasoning is used to develop explanations.

What is the next step in the process after a substrate enters the active site of an enzyme