Review Self_Quiz -- ENERGY:
Below are some multiple choice self-quiz review questions to reinforce chapter terms and important concepts. Many of these questions will appear on the exams.

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1. True or false: Light energy is a form of potential energy.

a. true
b. false

2. The main energy releasing pathway releasing chemical bond energy from food, into usable form (ATP).

a. neutralization
b. active transport
c. passive transport
d. photosynthesis
e. cellular respiration

3. The capacity to do work.

a. energy
b. active transport
c. activation energy
d. photosynthesis
e. cellular respiration

4. A spontaneous chemical reaction in which energy is released to the surrounding.

a. endergonic reaction
b. exergonic reaction
c. anaerobic reaction
d. aerobic reaction
e. a and b

5. Enzyme:

a. catalyst
b. protein
c. steroid
d. a and b
e. a, b, and c

6. Exergonic reactions

a. always make use of ATP
b. defy the second law of thermodynamics
c. show a net release of energy and may occur spontaneously
d. Never need an input of activation energy
e. None of the above

7. Enzymes:

a. make it possible for cells to escape the need for energy
b. are nonprotein molecules that help coenzymes
c. are not affected by change in pH
d. lower the energy of activation
e. a and d

8. High temperature

a. can affect the shape of a protein
b. lowers the energy of activation
c. makes cells less susceptible to disease
d. a and b
e. a, b, and c

9. ATP

a. Atenosine phosphate
b. Adenosine diphosphate
c. Adenosine triphosphate
d. Adenosine monophosphate
e. Atenosin phosphorus

10. Energy stored in some chemical or physical form.

a. gasoline
b. potential energy
c. ATP
d. a and b
e. a, b, and c

11. ATP

a. is used only in animal cells and not in plant cells
b. carries energy between exergonic pathways and endergonic pathways
c. is needed for chemical work, mechanical work, and transport work
d. a and b
e. b and c

12. Some bacteria can survive and are metabolically active in hot springs because

a. they are able to maintain an internal temperature much cooler than that of the surrounding water
b. the high temperatures facilitate active metabolism without the need of catalysts
c. their enzymes have high optimal temperatures
d. their enzymes are insensitive to temperature
e. they use molecules other than proteins as their main catalysts

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