Which of the Following Is True

question 87

Multiple Choice

Which of the following is true?

• A) Gluconeogenesis from pyruvate involves simple reversal of all of the glycolysis reactions, except for the reactions that consumed ATP during catabolism.
• B) Anabolic reactions are usually the reversal of catabolic ones
• C) In gluconeogenesis, the effective reversal of the glycolytic reactions of hexokinase and phosphofructokinase involve the same sugar molecules but not the exact set of substrates and products
• D) all of these are true

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Definitions:

Vitiligo

A condition in which the skin loses its pigment cells, resulting in discolored patches.

Papillary Layer

The upper layer of the dermis that contains blood capillaries, sensory neurons, and the bases of the hair follicles.

Dermis

The dermis is the thick layer of living tissue below the epidermis that forms the true skin, containing blood capillaries, nerve endings, sweat glands, hair follicles, and other structures.

Tyrosinase

An enzyme critical in the production of melanin and other pigments from tyrosine by oxidation.