A _____________ is a pill that looks identical to a pill that contains the active ingredient in a scientific trial, but contains no active ingredient itself.

a. capsule
b. barbiturate
c. placebo
d. tablet
e. treatment


Ans: d. tablet

Biology & Microbiology

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A very rudimentary “brain” found in flatworms consists of a collection of neurons that

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Which does not describe simple squamous epithelium?

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