c01-04 Practice Quiz
On this quiz, score 80% or higher, and receive a +5 bonus on the test.
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1. Positive feedback differs from negative feedback because ________.
1 point
2. The lungs deliver a regular supply of oxygen to the blood, which is in turn circulated to most all the cells of the body. At the same time oxygen is consumed during aerobic cellular respiration within these cells. This implies that ________.
1 point
3. Which of the following would be of most importance to goblet cells and other glandular epithelia?
1 point
4. Phospholipids make up most of the lipid part of the cell membrane. Since water exists on both the outside and inside of a cell, which of the following phospholipid arrangements makes the most sense?
1 point
5. Crenation (shrinking) is likely to occur in blood cells immersed in ________.
1 point
6. Which of the following is NOT found in cartilage but is found in bone?
1 point
7. In certain kinds of muscle cells, calcium ions are stored in ________.
1 point
8. Which of the following does NOT describe enzymes?
1 point
9. Beta cells in the pancreas produce and secrete the protein hormone insulin. You would expect to see a relatively large amount of which organelles in these cells?
1 point
10. Which of the following is NOT considered a factor in influencing a reaction rate?
1 point
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