The specific function of a protein is determined by its
A) DNA. B) electric charge.
C) length. D) three-dimensional shape.
D
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Why are biotin deficiencies seen in people who consume a large number of raw eggs?
A. because raw eggs contain a protein that binds with biotin and prevents its absorption B. because raw eggs do not contain any biotin C. because the biotin in eggs are not absorbed unless the eggs are cooked before consuming D. because raw eggs are hard to digest.
Which of the following is not true regarding plant sterols?
a. They are structurally similar to cholesterol. b. They interfere with cholesterol absorption. c. They raise blood cholesterol levels. d. They help to reduce blood cholesterol levels.
The human body averages _____% water.
A. 20 to 40 B. 40 to 50 C. 50 to 60 D. 60 to 70
The number of subjects needed in a study:
A) is determined by a mathematical formula. B) should be enough to exclude differences between the control and experimental groups due to chance. C) should be kept small so that the data are manageable and there is less room for statistical error. D) a, b