Chapter 7.1 Cell Theory

Which of the following is NOT a principle of the cell theory?

• Cells are the basic units of life.

• All living things are made of cells.

• Very few cells are able to reproduce.

• All cells are produced from existing cells.

Which type of microscope can produce three-dimensional images of a cell’s surface?

• transmission electron microscope

• scanning electron microscope

• simple light microscope

• compound light microscope

Which of the following enclose their DNA in a nucleus?

• prokaryotes

• eukaryotes

• bacteria

• viruses

Which of the following organisms are prokaryotes?

• plants

• bacteria

• fungi

• animals

Which of the following is a function of the nucleus?

• stores DNA

• builds protein

• stores sugars

• packages proteins

Who was the first person to discover cells?

• Schleiden

• Virchow

• Hooke

• Schwann

What do light microscopes use to magnify an image?

• plastic

• nucleus

• light

• lenses

What do electron microscopes use to magnify an image?

• light

• lenses

• cells

• electrons

All living things are made of ____.

• skin

• cells

• blood

• reindeer poop

Eukaryote cells put DNA in a(n) ____.

• nucleus

• cell membrane

• envelope

• microscope