A True B False 32 CORRECT Some viruses enter the cell through endocytosis A

A true b false 32 correct some viruses enter the cell

This preview shows page 77 - 89 out of 257 pages.

A)True
B)False 32 CORRECT Some viruses enter the cell through endocytosis. A)True B)False 33 CORRECT HIV binds to the human white blood cell receptor protein CD4.
A)True B)False 34 CORRECT HIV is a DNA virus. A)True B)False 35 INCORRECT
Viruses and bacteria are the only infectious agents found in plants and animals. A)True B)False 1dentify the reaction below Lactose + H2O -------------> glucose + galactose A)Synthesis reaction B)Hydrolysis reaction C)
Exchange reaction D)Reversible reaction E)Dehydration reaction 2 INCORRECT A yeast or fungal cell produces how many NET ATP molecules per molecule of glucose when completely oxidized? A)1 B)2 C)
4 D)36 E)38 3 CORRECT Which of the following is the best most complete definition of fermentation? A)The reduction of glucose to pyruvic acid. B)The oxidation of glucose with organic molecules serving as electron acceptors. C)
The complete catabolism of glucose to CO2and H2O. D)The production of energy by substrate-level phosphorylation. E)The production of ethyl alcohol from glucose. 4 INCORRECT In lactic acid fermentation the final electron acceptor would be A)oxygen. B)nitrate. C)pyruvate.
D)glucose. E)acetyl-CoA. 5 INCORRECT Which of the following best explains why the production of ethanol is important in yeast cells that are under anaerobic conditions? A)Ethanol keeps the electron transport system functioning. B)Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol. C)
The process generates oxygen, which is required for glycolysis. D)The process regenerates NAD+, which is required for glycolysis. E)Ethanol stimulates mitochondrial activity. 6 CORRECT Most bacterial fermentations yield how many NET ATP molecules per molecule of glucose? A)1 B)2 C)
4 D)36 E)38 7 INCORRECT Organisms can synthesize ATP by oxidative phosphorylation A)when they ferment. B)when they oxidize glucose to pyruvate. C)
when they pass electrons to oxygen through an electron transport system containing cytochromes. D)when they pass electrons from the oxidation of chlorophyll through an electron transport system. E)under none of the conditions described above. Compare the following entities (I and II). Characterize them according to the following key: 8 CORRECT I. The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation means. II. The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by aerobic metabolism means. A)I is greater than II.
B)I is less than II. C)I is exactly or approximately equal to II. D)I may stand in more than one of the above relations to II. 9 CORRECT I. The amount of ATP that can be obtained by complete oxidation of a 12 C fatty acid. II. The amount of ATP that can be obtained by complete oxidation of a 12 C carbohydrate.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture