Which type of molecule contains the alcohol glycerol?
A) carbohydrate
B) phospholipids
C) DNA
D) protein
B
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Answer the question using the accompanying figure. This figure illustrates the life cycle of a ____
a. brown algae b. green algae c. water mold d. plasmodial slime mold e. cellular slime mold
Which of the following statements about root hairs is false? a. Root hairs increase surface area for absorption of water and mineral ions
b. Root hairs are small when young but will grow into larger roots. c. Root hairs live only a few days and then are replaced. d. Root hairs are fragile and only a few millimeters long.
In the light-dependent reactions of photosynthesis,
a) oxygen is used to synthesize sugars. b) carbon dioxide is used to synthesize sugars. c) glucose is oxidized. d) ADP is converted to ATP.
Blood usually continues on from arterioles to ____ in its travel through the human body.
A. other arterioles B. venules C. arteries D. veins E. capillaries