Which of the following vitamin is synthesized by intestinal bacteria
a. vitamin A
b. vitamin C
c. vitamin K
d. vitamin E
e. vitamin B12
Ans: c. vitamin K
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Both Allison and Beth need 2,200 kcal daily to maintain their weight. Allison consumes a high-fat, high-protein, low-carbohydrate diet consisting of 2,200 kcal. Beth consumes a low-fat, moderate-protein, high-carbohydrate diet containing 2,300 kcal. Who is likely to gain weight over time?
a. Allison, because her diet is so high in fat b. Beth, because it is not what you eat but rather how much
Which of the following correctly describes the glucose-alanine cycle?
A) Muscle converts alanine to glucose for use as immediate energy. B) Muscle converts alanine to pyruvate or lactate and converts them to glucose when muscle glycogen stores are low. C) Glucose is converted to alanine in the muscle in the post-exercise period. D) Muscle converts pyruvate to alanine, which is transported to the liver for potential conversion to glucose.
A limited amount of amino acids exists in pools in your body so that they can be used as hormones, or enzymes.
a. true b. false