10. all carbohydrates are made of -
a. carbon, hydrogen, and oxygen.
b.
glucose, sucrose, and fructose.
ove.
cellulose, glycogen, and starch.
d. guanine, alanine, and cytosine.

A

Explanation:

All carbohydrates no matter how small are made of carbon,hydrogen and oxygen

trachea, alveoli, lung capillaries, arteries

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.