The formation of a protein's secondary and tertiary structures is due to the attraction and repulsion of _____
a. positive and negative charges
b. nuclei
c. cell membranes
d. mRNA molecules
a
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Use of nonsteroidal anti-inflammatory drugs (NSAIDs) may promote gastritis and peptic ulcer disease by damaging the gastric mucosal lining
a. True b. False Indicate whether the statement is true or false
Which of the following statements concerning mineral deficiencies or excesses is false?
A. If dietary intake is insufficient, minerals can be synthesized from precursors in the liver. B. The body may absorb more of a mineral from food and excretes less when a deficiency occurs. C. Excessive consumption of minerals may cause a number of health problems, even in relatively small doses. D. Additional minerals may be needed for the synthesis of new tissues associated with physical training.
Why do egg whites make a stable foam when beaten?
Which type of fatty acid is missing four or more hydrogen atoms?
A) ?monounsaturated fatty acid B) ?polyunsaturated fatty acid C) ?long-chain saturated fatty acid D) ?short-chain saturated fatty acid