Cell Theory

Through which microscope were cells first observed?

• simple microscope

• electron microscope

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

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

• A compound microscope has NOT a greater magnification ability than a simple microscope.

Which microscope did Robert Hooke use to study tree bark?

• Compound light microscope

• Simple microscope

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

• simple microscope

• Complex microscope

In the 1600s, which scientist discovered microbes in pond water by using a microscope?

• Anton van Leeuwenhoek

• Dr. De Souza

Which was the first “cell” viewed by the light microscope?

• oak bark

• DNA

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

• compound light microscope

• simple microscope

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

• Both require a vacuum

• No idea

What was Rudolf Virchow’s contribution to the cell theory?

• He concluded that all cells come from preexisting cells.

• He concluded that the cells DID NOT come from preexisting cells.

According to the cell theory, which structure contains cells?

• blood

• water

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