Which of the following will result in an increase in metabolic rate a. A diurnal

Question

Which of the following will result in an increase in metabolic rate a. A diurnal animal during the night b. An animal that is starving c. An ectotherm at low temperatures d. An animal that just ate In order for water to move across a fish's gills (not including what leads up to this) a. The operculum must be closed b. The oral valve must be opened c. The operculum must be opened d. Both b and c A plant cell placed in a hypotonic solution would _ which results in a _ cell. a. Gain water; turgid b. Lose water; plasmolyzed c. Not gain or lose water; flaccid d. Not gain or lose water; normal When ions move from high concentration gradient to low concentration gradient, this is an example of a. Diffusion b. Active transport c Use of a carrier d All of the above .

Explanation / Answer

64. The answer is a diurnal animal during the night. The basal metabolic rate would be termed as the minimal rate of energy expenditure per unit time by an endothermic animal at rest.

65. The answer is the operculum must be open. It is a valve which keeps the water not from flowing outside when water entering through the mouth. But when the water is moving through the gills, the operculum should be opened and the oral valve should be closed.

66. When a plant cell is placed in a hypotonic solution, water enters the cell and it swells pushing membrane against cell wall which is called as turgor pressure.

67. Movement of ions from high concentration to low concentration would be along the gradient which happens by passive diffusion.

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