CHAP 3 - 1 In electron t ransport system the energy used to...

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1. In electron transport system, the energy used to synthesize ATP comes from the diffusion of from the outer compartment of the mitochondria to the inner compartment. HYDROGEN IONS 2. If a cell does not have a membrane-bound nucleus, it is not likely to have: MEMBRANE BOUND ORGANELLES 3. Which of the following is not true regarding metabolism? AN ANABOLIC REACTION IS ONE IN WHICH A LARGE MOLECULE IS BROKEN DOWN INTO SMALLER MOLECULES 4. Which of the following molecules would be most likely to pass through the lipid bilayer of a plasma membrane? a. SMALL UNCHARGED NONPOLAR MOLECULES 5. Which of the following forms of transport across a membrane is passive(does not require the use of energy.) a. DIFFUSION AND OSMOSIS 6. Cells use many sources of energy to make ATP but the most common and readily available source of energy is: a. PROTEINS 7. Which of the following is not true regarding receptor proteins? a. ALL CELLS HAVE THE SAME RECEPTOR PROTEINS 8. In human muscle cells, if oxygen is unavailable, pyruvate is converted to ___instead of acetyl. a. WATER 9. Which of the following is true regarding active transport? a. ACTIVE TRANSPORT REQUIRES ENERGY
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10. Gated channels are especially important in regulating the transport of ____across a plasma membrane.
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