Author Question: What best describes a major weakness of a laboratory-based study? A) The costs are too high. B) ... (Read 53 times)

sam.t96 · **on:** Aug 21, 2018

What best describes a major weakness of a laboratory-based study?
A) The costs are too high.
B) The results cannot be replicated in humans.
C) The sample sizes are not large enough.
D) The findings usually cannot be published.

Question 2

Production of active vitamin D requires skin, sunlight, cholesterol, the liver, and the kidneys.
Indicate whether the statement is true or false