Which of the Following Statements Concerning the Role of Redox

question 17

Multiple Choice

Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true?

• A)Photosynthesis involves only oxidations,while respiration involves only reductions.
• B)In photosynthesis,carbon dioxide is reduced to form sugar,while in respiration,sugar is oxidized to form carbon dioxide.
• C)In photosynthesis,carbon dioxide is oxidized to form sugar,while in respiration,sugar is reduced to form carbon dioxide.
• D)Photosynthesis involves only reductions,while respiration involves only oxidations.

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Definitions:

Woven Bone

A form of bone characterized by haphazard organization of collagen fibers and is usually formed rapidly during bone formation or repair.

Collagen Fibers

Strong, insoluble protein fibers that form an essential part of the connective tissue in the body, providing tensile strength and elasticity.

Porous Appearance

Characterized by the presence of pores or small openings, allowing the passage of gases, liquids, or light particles.

Concentric Lamellae

Circular layers of bony matrix in an osteon of compact bone, surrounding a central canal containing blood vessels and nerves.