Practice Test 2

Practice Test 2 - Biol-1107 Armstrong Test #2-9 AM Fall,...

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Biol-1107 Armstrong Test #2-9 AM Fall, 2005 1) Which of the following is an "incomplete" source of protein? A) Soybeans B) Eggs C) Milk and Cheese D) Brown Rice E) Fish 2) Olestra A) provides calories but you need much less of it than regular fat. B) is a modified form of amino acid that behaves and tastes like fat. C) contains fatty acids attached to a glucose. D) A and B only are correct. E) A, B, and C are all correct 3) This compartment may make up the majority of a plant cells mass and can be used to hold reserves of organic compounds or inorganic ions. A) Endoplasmic recticulum B) Golgi C) Central vacuole D) Endocytic Vesicle E) Cell Wall 4) Over the past several decades, the government has made extensive efforts to reduce people's exposure to lead. Lead is a cumulative toxin that can cause serious damage to the brain, kidneys, nervous system and red blood cells. Currently, government standards require that lead concentrations be less than 15 micrograms per liter of drinking water. Unfortunately, water supplies can be contaminated by lead from many sources both manmade (pollution) and natural (ore deposits). A well on your property is tested and found to have a lead concentration of 0.45 milligrams/ liter. Relative to the government standard this water has lead concentrations that are A) 3 times higher than the limit. B) 30 time higher than the limit. C) 3 times lower than the limit. D) 30 time lower than the limit. E) 300 times higher than the limit. 5) The fact that the outer membrane of the nuclear envelope has bound ribosomes allows one to most reliably conclude that A) the nuclear envelope is not part of the endomembrane system. B) at least some of the proteins that function in the nuclear envelope are made by the ribosomes on the nuclear envelope. C) the nuclear envelope is physically continuous with the endoplasmic reticulum. D) small vesicles from the Golgi fuse with the nuclear envelope. E) nuclear pore complexes contain proteins. 6) A vesicle has just budded off the Golgi apparatus. Which of the following is NOT a likely desintation
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Practice Test 2 - Biol-1107 Armstrong Test #2-9 AM Fall,...

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