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High School Biology: Cellular Structure and Function - Cell Transport and Homeostasis
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High School Biology: Cellular Structure and Function - Cell Transport and Homeostasis
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10 Questions

1. Which of the following proteins changes shape as it transfers materials across the membrane?
2. Which of the following are involved in facilitated diffusion? (1) channel proteins, (2) carrier proteins, (3) pumps, (4) vesicles.
3. During active transport, molecules move from an area of ____________ concentration to an area of ______-______ concentration.
4. Which of the following is a type of passive transport?
5. Osmosis is the
6. Which of the following are types of active transport? (1) the sodium-potassium pump, (2) exocytosis, (3) endocytosis, (4) osmosis.
7. If there are 10,000 calcium ions inside the cell and 2,000 calcium ions outside the cell, in which direction will these ions naturally flow?
8. Which process plays an important role in homeostasis?
9. What is the main difference between passive transport and active transport?
10. What part of the cell determines what enters and leaves the cell?