Cellular Respiration Quiz

Adenosine triphosphate (ATP) is considered to be the energy currency of life. It is the high-energy molecule that stores the energy we need to do just about everything we do. ATP can power needed reactions by losing one of its phosphorous groups to form ADP, but you can use food energy in the mitochondria to convert the ADP back to ATP so that the energy is again available to do needed work. Which of the following is the third step of aerobic respiration?

• ATP Hydrolysis
• ETC
• Glycolysis
• Krebs Cycle
• Transition Reaction

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Photosynthesis and cellular respiration have a unique relationship in that the products of one process are the reactants of the other. For example the reactants of photosynthesis are also products of cellular respiration. Select ALL of the molecules that are produced in cellular respiration and are reactants in photosynthesis.

• carbon dioxide
• glucose
• oxygen
• water
• sunlight

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A moose eats a lily pad. What is required to produce the ATP the moose needs to performs cellular processes? Choose ALL that apply.

• oxygen
• sunlight
• water
• glucose
• carbon dioxide

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NGSS.HS-LS1-7

An intermediate electron acceptor for oxidations that occur in both glycolysis and in Krebs cycle reactions

• Cytochrome
• FADH2
• NAD+
• NADP+
• Oxygen

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NGSS.HS-LS1-7

During respiration, most ATP is formed as a direct result of the net movement of

• potassium against a concentration gradient
• protons down a concentration gradient
• electrons against a concentration gradient
• electrons through a channel
• sodium ions into the cell

Does pyruvate enter into the citric acid cycle?

• Yes
• No
• Maybe

Which molecule is the final electron acceptor?

• carbon
• oxygen
• hydrogen
• water

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NGSS.HS-LS1-7

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Where does ETC and chemiosmosis take place?

• inner membrane
• stroma
• thylakoid membrane
• matrix of mitochondria

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ATP serves as a common energy source for organisms because

• it is the smallest energy molecule
• it stores the least energy of any energy source
• its energy can be easily transferred to do cellular work
• it is extremely stable and can be stored in the cell for long periods of time
• traces of it have been found in fossils of ancient organisms dating back to the beginning of life on Earth

Label the diagram

a

b

c

d

e

f

chloroplast

carbon dioxide

water

glucose

mitochondria

oxygen

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