What do zinc fingers do?
a. Stabilize cell membranes
b. Regulate transcription by turning on and off specific genes
c. Participate in redox reactions that generate ATP
d. Promote synthesis of norepinephrine and collagen
Q. 2A _______________ releases or binds hydrogen ions in order to resist changes in pH.
Fill in the blank(s) with correct word
Q. 3The genetic condition _____ causes decreased absorption of a trace mineral and results in growth failure and red, scaly skin (especially around the scalp, eyes, and feet) in infants.
a. acrodermatitis enteropathica
b. hereditary hemochromatosis
c. cretinism
d. Keshan disease
Q. 4_______________ beverages, such as sour lemonade, have a pH less than 7.
Fill in the blank(s) with correct word
Q. 5Acrodermatitis enteropathica causes decreased _____ absorption, and hence requires life-long supplementation of this mineral.
a. zinc
b. selenium
c. iodine
d. copper
Q. 6What would happen if all nutrients in all the foods that you eat were 100 bioavailable?
Q. 7Which of the following does not decrease zinc absorption?
a. Iron
b. Calcium
c. Phytates
d. Bases
Q. 8Why does the body have a different process for digesting and metabolizing fat than it does for carbohydrate and protein?
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