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Unformatted text preview: Sheet1 Page 1 Which of the following DOES NOT influence membrane fluidity? A)length of fatty acid tails B) cholesterol content in the lipid b The first person to see bacteria was: A)Virchow B)Mossman C)von Leeuwenhoek D)Pasteur E)Schwann,"C)von Leeuwenhoe In biological membranes, the phospholipids are arranged in a: A)bilayer, with the fatty acid pointing toward each other B)bilay The amino acid side chains in the interior of the phospholipid bilayer are most likely to be: A)charged B)hydrophilic C)hydroph Osmosis requires the presence of a semi-permeable membrane: A)True B)false,"A)True" How does the nucleus in G2 differ than a nucleus in G1? A) The G2 nucleus has double the amount of DNA as the G1 nucleu What is the pathway for the synthesis and secretion of insulin? A)Lysosome, vesicle, plasma membrane B)Rough ER, Golgi A Ribosomes are the structures in which: A) Chemical energy is stored by making ATP B) cell division is controlled C) sunlight e Which structures are used by cells for motility: A) pili B) flagella C) cilia D) A, B, and C E) B and C,"E) B and C" Stem cells have no capacity to replace themselves: A) True B) False,"B) False" The eukaryotic cell membrane is semi-permeable: A) True B) False,"A) True" A protein that forms an ion channel through a membrane is most likely: A) a peripheral protein B) a transmembrane protein C) Because the sodium-potassium pump imports K+ ions while exporting Na+ ions, it is a couple transport system called: A)facili Which of the organelles listed below is involved in energy conversions: A) lysosomes B) vacuoles C) nucleolus D) peroxisome...
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This note was uploaded on 10/25/2010 for the course BIO 188 taught by Professor Capco during the Spring '08 term at ASU.
- Spring '08