Which of the following would be an example of mechanical work? Choose any that a

Question

Which of the following would be an example of mechanical work? Choose any that apply. a. ATP donating phosphate group to an enzyme b. beating of cilia c. cell changing shape d. movement of organelles in cell e. movement of glucose across cell membrane f. muscle contraction A compressed spring represents what type of energy? When the spring is allowed to 'spring', or decompress, what type of energy docs this represent? a. kinetic, kinetic b. kinetic. potential c. potential, kinetic d. potential, potential In what 3 forms is energy stored in the body? Choose any that apply, a. chemical bonds b. concentration gradients c. electrical gradients d. entropy e. kinetic energy Which of the following molecules do you think has the greatest amount of stored energy? a. carbon monoxide b. cholesterol c. fructose d. glycogen c. All would have the same amount of free energy. Repeated exposure to hot environments when combined with exercise improves exercise capacity with less discomfort upon subsequent heat exposure. One thing that changes is that a person begins sweating sooner and they sweat more (nearly double). Sweating sooner represents what type of change? a. decreased threshold b. increased threshold c. decreased set point, d. increased set point

Explanation / Answer

Ans-7

Consumption of energy by force is known as machanical work.Muscles contraction occur in any organism for resistng pressure.So ans. is (f)

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