Which of the Following Is a Feature of Vitamin C

question 2

Multiple Choice

Which of the following is a feature of vitamin C in the body?

• A)Severe deficiency is irreversible
• B)Low levels are found in people who chew tobacco
• C)Extremes of physical stress impair mobilization of vitamin C
• D)Severe deficiency signs become apparent when blood levels fall by about 20%

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Definitions:

Phytochrome

A photoreceptor protein in plants that regulates growth, development, and flowering in response to light.

Photoperiodism

The physiological response (such as flowering) of plants to variations in the length of daylight and darkness.

Phytochrome

A light-detecting pigment found in plants that regulates various developmental processes by responding to red and far-red light.

Necrotic Lesions

Areas of dead tissue on an organism that result from disease, injury, or lack of blood supply.