1103K-Quiz IV - Side contains a 40% sugar solution. At...

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Quiz IV 20 points Cell membrane and Functional Groups Circle the correct answers and turn in Thurs Nov 10 1) Which of the following is nonpolar? A. Fatty acid tails B. Water channels C. Water D. Phospholipid tails 2) The term “fluid mosaic model,” refers to: A. An experiment the function of the cell wall B. The dynamic flow of proteins and lipids within the cell membrane C. The cell membrane’s ability to communicate with the fluid portions of the cell. D. The cell’s ability to communicate with the fluid portions of the brain 3) The phospholipid tails of the membrane face one another because: A. They are hydrophilic-repelled by water. B. They are hydrophobic-attracted to water. C. They are hydrophilic-attracted to water. D. They are hydrophobic-repelled by water. 4) Which is not a form of active transport? A. Pinocytosis B. Receptor mediated transport C. Phagocytosis D. Osmosis 5) A semipermiable membrane separates two solutions, permitting water, but not larger molecules, to pass. Side A contains a 20% sugar solution.
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Unformatted text preview: Side contains a 40% sugar solution. At equilibrium, what condition is true? A. Side A will be hypertonic to side B. B. Side A will by hypotonic to side B. C. Side A will be isotonic to side B. D. Side B will be hypotonic to side A. 6) Facilitated diffusion uses what kind of protein? A. Recognition B. Enzyme C. Attachment D. Carrier 7) Besides three fatty acids, a triglyceride molecule also has what other chemical group? A. Glycerol B. Phosphate C. Variable functional group D. Deoxyribose Sugar 8) Which peptide bond occurs between which groups? (circle all) A. Carboxyl B. amino C. hydroxyl group D. Disulfide 9) Which functional groups are consistently found on all amino acids? (circle all) A. Amino B. Carbonyl C. Hydroxyl D Carboxylic Acid 10) ATP and ADP are different because: A. ATP is made of enzymes and DNA is made of RNA. B. ATP is a single stranded and DNA is double stranded. C. ATP is a unstable molecule D. ATP is a nucleic acid polymer...
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1103K-Quiz IV - Side contains a 40% sugar solution. At...

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