Osmosis describes:
A. the movement of water from areas of lower
solute concentration to areas of higher solute
concentration.
B. the movement of water from areas of lower
water concentration to areas of higher water
concentration.
C. the movement of solutes from areas of
higher water concentration to areas of lower
water concentration.
D. the movement of solutes from areas of
lower solute concentration to areas of higher
solute concentration.
E. the movement of solutes from areas of
higher solute concentration to areas of lower
solute concentration.
A
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What can be said about the transfer of fluid from the glomerulus to Bowman's capsule?
A. It results from active transport. B. It transfers large molecules (e.g., proteins) as easily as small ones. C. It is very selective as to which small molecules are transferred. D. It is mainly a consequence of blood pressure force-filtering the fluid. E. It usually includes the transfer of red blood cells to the nephron tubule.
Which of the following statements is NOT true about fluid feeders?
a. They may have long tongues to effectively extract nectar from plants. b. They may gather organic material from soil located nearby. c. They may have piercing mouth parts to obtain blood from a host. d. They may secrete enzymes on a food source and consume it once it is liquefied. e. They may inject anticoagulants into a host to inhibit blood from clotting.
A seven month fetus will have difficulty surviving outside of the mother because
a. it will have difficulty breathing and regulating body temperature. b. it is unable to suck and drink milk. c. its skin is not fully developed. d. its heart is not fully developed. e. the nervous system is too immature to keep the baby alive.
Sugars, starch, and fiber are examples of what?
A) nucleus acid B) lipids C) carbohydrates D) proteins