ch. 4 review

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An electron transport chain is part of

both photosynthesis and cellular respiration.

The water molecules labeled A in Figure 4.1 are going to the thylakoids to take part in which process?

light-dependent reactions

The breakdown of which of the following provides the largest number of ATP per molecule?

lipids

The part of cellular respiration that needs oxygen takes place inside the

mitochondria.

Which process is best represented by the following chemical equation? sugars + oxygen -> carbon dioxide + water

photosynthesis

An electron transport chain that produces ATP is part of both the cellular respiration process and

photosynthesis.

What molecule carries chemical energy that cells use for their functions?

AtP

Which of the following is a reactant in photosynthesis?

CO2

Which of the following statements is true of ATP?

It transfers energy to cell processes

What happens to the sugars that are made during photosynthesis?

They can be used for cellular respiration

When pyruvate is a reactant in cellular respiration it means that

When pyruvate is a reactant in cellular respiration it means that

Name one high-energy molecule shown in the diagram that is used as an energy-carrier

ATP or NADPH

Before cellular respiration, glucose must be broken down by the process of

. glycolysis.

Which chemical equation best represents the process of photosynthesis?

6co2 + 6o2 -> c6h12o6 + 6o2

Which of the following directly provides the energy needed for cell functions?

ADP loses a phosphate group.

Which of the following reactions provides the chemical energy for most cell functions?

ATP - P -> ADP

Which of the following molecules found in the food we eat is most commonly broken down to make ATP?

carbohydrates

Which of the following best describes the molecules labeled B in Figure 4.1?

carbon dioxide entering the Calvin cycle

Which process is best represented by the chemical equation CHo6 + 6O -> 6CO + 6HO?

cellular respiration

Write a simple title for the diagram above. (fig. 4.3)

cellular respiration

Which process would bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars?

chemosynthesis

Which of the following is best shown by Figure 4.2 below?

electron transport chain

What does the large zigzagging arrow represent?

energy from sunlight

In which process is lactic acid formed when there is not enough oxygen present for cellular respiration to take place?

fermentation

Which process allows glycolysis to continue in the absence of oxygen

fermentation

What is the name of the process that breaks glucose down into the pyruvate that is used in cellular respiration?

glycolysis

The aerobic stages of cellular respiration take place in the

grana.

Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of

sunlight

Which of the following is the site of the photosystems in the light-dependent reactions of photosynthesis?

thylakoid membrane

Where in plant cells are the energy-absorbing molecules for photosynthesis located?

thylakoids

Which organisms use alcoholic fermentation to allow glycolysis to continue to produce ATP?

yeasts


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