Question

question 9 of 10
which of the following describes an in vivo experiment?
a. observations are made in a living mouse.
b. observations are made in a test tube.
c. observations are made in a petri dish.
d. observations are made in a buffered solution.

Explanation:

The term "in vivo" means "within the living". Observations in a living mouse fit this definition. A test tube (C) and petri dish (D) are in vitro (outside the living organism). Option A is too vague.

Answer:

B. Observations are made in a living mouse.