Ions with a positive charge are referred to as:
a. electrolytes
b. cations
c. anions
d. molecules
e. particles
b
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An important aspect of a randomized, double-blind, placebo-controlled study is that subjects
A. must receive both treatment and placebo. B. must be blinded as to whether they are in the treatment or placebo group. C. must be assigned to the treatment or control group by the investigator. D. must be aware of whether they are receiving the treatment or placebo.
Identify a true statement about conditionally essential amino acids
A) They can be substituted with essential amino acids. B) They are only required by fully grown adults. C) They can be obtained from human milk. D) They are synthesized by a process called transcription.
Epidemiological studies prove cause-and-effect relationships
a. True b. False Indicate whether the statement is true or false
The microwave oven is recommended for preparation of a loaf of bread
Indicate whether the statement is true or false