If, during protein starvation, the osmotic pressure forcing fluid into the blood on the venous side of capillary beds drops below the blood pressure, then
A. hemoglobin will not release oxygen.
B. fluids will tend to accumulate in tissues.
C. the pH of the interstitial fluids will increase.
D. most CO2 will be bound to hemoglobin and carried away from tissues.
E. plasma proteins will escape through the endothelium of the capillaries.
B. fluids will tend to accumulate in tissues.
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One day during the summer you and some friends make ice cream using an electric ice cream maker. To get the ice cream to form, a mixture of salt and ice is packed around the ice cream maker. A few days later you notice a yellow circle of dead grass where the ice cream maker had been placed. You hypothesize that some of the salt and ice mixture spilled onto the grass and ___
A. froze the grass B. was isosmotic to the grass cells causing the yellow circle of dead grass C. was hyperosmotic to the grass cells causing the yellow circle of dead grass D. was hypoosmotic to the grass cells causing the yellow circle of dead grass
Which of the following are primarily cellular
sites for the recapture of energy from organic compounds?
a. Golgi bodies b. mitochondria c. lysosomes d. ribosomes e. endoplasmic reticulum
What are the arrows pointing to in the accompanying figure?
a. double ionic bonds b. single ionic bonds
c. double covalent bonds d. single covalent bonds e. hydrogen bonds
The circulatory system of cephalopods is closed, whereas that of all other mollusks is open. Explain the difference
between open and closed circulatory systems, and describe how each system is adequate for the groups possessing it. What will be an ideal response?