Which of the following categories includes all others in the list?
(a) disaccharide
(b) polysaccharide
(c) starch
(d) carbohydrate

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.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport