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What is ATP and what is its part in the energy transfer within a cell?

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ATP (adenosine triphosphate) is a molecu...

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What advantage does the structure of the cell membrane afford the cell?


A) prevents invasion by viruses
B) selective movement back and forth
C) prevents temperature extremes
D) can be adapted to reproduction
E) is totally impermeable

F) B) and E)
G) A) and B)

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What is the first step in mitosis?

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The nucleus that is ...

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Which statement is false?


A) Aerobic reactions yield more energy per molecule of glucose than anaerobic reactions.
B) Anaerobic reactions yield more energy per molecule of glucose than aerobic reactions.
C) The Krebs cycle occurs in aerobic conditions.
D) Fermentation is an anaerobic process.
E) Respiration is an aerobic process.

F) A) and D)
G) C) and D)

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When an athlete's muscles get tired and sore during an athletic event, what is the biochemical explanation?

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Once the athlete has used all oxygen ava...

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Most life processes depend on oxidation and photosynthesis. Give an example that does not.

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Fermentation, which is an anae...

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What is the chief function of the mitochondria?


A) to provide immunity
B) to create energy
C) to transfer energy
D) to stimulate mobility
E) to initiate meiosis

F) C) and D)
G) D) and E)

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Which of the following is a stored-energy end-product of fermentation?


A) glucose
B) alcohol
C) yeast
D) starch
E) lactic acid

F) A) and D)
G) A) and C)

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Describe the workings of an electron microscope.

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An electron microscope overcomes the res...

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A cell membrane's make up is


A) an impermeable lipid layer.
B) a double layer of polymers.
C) a lipid double layer.
D) like a plant's cell wall.
E) a film of water.

F) A) and C)
G) A) and D)

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