Which of the following is NOT a function of receptors? A. Receive glucose molecules
B. Receive hormone signals
C. Identify cells
D. Receive neurotransmitter signals

Which of the following explains why a tree is often used as a model to represent the principle of common descent

If the dimensions of a cube-shaped cell with a length, height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.