Bio study questions for exam.docx

Bio study questions for exam.docx - How can the protein in...

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How can the protein in the diagram below be described? a. It is a peripheral membrane protein b. It is a glycoprotein c. It is a integral membrane protein d. B and c Given the diagram below, what is needed in order for the K+ to move from outside the cell to inside the cell? a. Nothing b. K+ carrier c. K+ pump d. K+ channel Phospholipids are best described as a. Hydrophobic b. Thermophilic c. Amphipathic d. Hydrophilic Which of the following is/are NOT a component of plant cell membrane? a. Cellulose b. Phospholipids c. Proteins d. Cholesterol e. A & d Where does Alli bind lipase? a. Active site b. Somewhere other than the active site
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c. Alli binds fats not lipase d. Alli binds bile salts, not lipase A person taking alli is at risk for vitamin deficiencies. Which of these is LEAST likey to be a problem, for someone taking ALLI a. Vitamin A b. Vitamin C c. Vitamin D d. Vitamin E The process of breaking up large fat globules into smaller fat droplets is known as a. Ingestion b. Absorption c. Digestion d. Emulsification Where does a competitive inhibitor bind? a. Active site of an enzyme b. To the product of the enzyme c. To the substrate of the enzyme d. To the enzyme- but away from (not in) the active site A lipase inhibitor has a structure for similar to glucose than a lipid, this inhibitor is a a. Competitive inhibitor b. It binds to the active site of lipase c. A & b d. It is a non-competitive inhibitor What do enzymes do to speed up chemical reactions? a. Increase the energy of the reactants b. Increase the energy of the products c. Decrease the activation energy d. Decrease the energy difference between reactants What type of reaction release energy?
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