Cell Theory

Question 1

Which experiments led to changes to the original cell theory?

Revolt · Accepted Answer

B: experiments that showed that all cells are similar in how they metabolize and in their composition

Question 2

The study of which structure was instrumental in the formulation of the modern cell theory?

Revolt · Accepted Answer

D: DNA molecule

Question 3

According to the cell theory, which structure contains cells?

Revolt · Accepted Answer

A: blood

Question 4

Which part of the cell theory is best explained by studying the ability of stem cells to divide and form additional cells?

Revolt · Accepted Answer

A: All cells come from preexisting cells.

Question 5

Which type of microscope was the first to be used for studying single-celled organisms?

Revolt · Accepted Answer

A: simple microscope

Question 6

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope?

Revolt · Accepted Answer

A: A compound microscope has greater magnification ability than a simple microscope.

Question 7

Which microscope uses a series of lenses to magnify an object in steps?

Revolt · Accepted Answer

C: compound light microscope

Question 8

Which microscope did Anton van Leeuwenhoek use to observe single-celled organisms?

Revolt · Accepted Answer

A: simple microscope

Question 9

Which microscope is often used to view metal surfaces?

Revolt · Accepted Answer

B: scanning tunneling microscope

Question 10

What do scanning electron microscopes and transmission electron microscopes have in common?

Revolt · Accepted Answer

D: Both require a vacuum.

Cell Theory Answers