A common feature of starch and glycogen is that molecules of both A. are important structural components of plant cell walls B. contain repeated monomers of glucose and galactose C. form microfibrils that give support to connective tissue fibers D. store energy for use by living organisms

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes