Which of the following is a protein catalyst, which facilitates chemical reactions?
a. amino acid
b. enzyme
c. lipoprotein
d. hormone
e. antibody
b
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_______________ is a gross measurement of all body compartments and does not distinguish body composition or fluid shifts.
Fill in the blank(s) with the appropriate word(s).
When you exercise, your body uses glycogen to maintain blood glucose levels. Which vitamin acts as a coenzyme during this process?
A) folate B) vitamin B6 C) vitamin B12 D) biotin
To prevent iron deficiency, a female athlete should
A. not be concerned about iron status as iron is not involved in energy production. B. take high-dose iron supplements regularly while following a low-calorie diet. C. have her blood hemoglobin level checked to determine if a deficiency exists that may require iron supplementation. D. not be concerned as a low iron status is common in female athletes and will eventually resolve on its own.
Zinc is a structural component of the DNA-binding proteins that help regulate gene expression. These proteins are known as
A) zinc coenzymes. B) zinc blocks. C) zinc fingers. D) zinc enzymes.