Intro to Cells and Cell Theory

What is a fundamental characteristic of all living things?

• They are made of cells and have organization.

• They can fly.

• They are all green.

• They live in water.

Who was the first to describe cells in cork?

• Anton van Leeuwenhoek

• Theodore Schwann

• Robert Hooke

• Rudolph Virchow

Who improved the microscope and observed bacteria and protozoa?

• Robert Hooke

• Anton van Leeuwenhoek

• Matthias Schleiden

• Rudolph Virchow

Who provided the last tenet of the cell theory that cells come from existing cells?

• Robert Hooke

• Anton van Leeuwenhoek

• Theodore Schwann

• Rudolph Virchow

Which of the following is a part of the cell theory?

• All living things are made of one or more cells.

• Cells can be created from non-living matter.

• Cells are not necessary for life.

• All cells are identical.

What is considered the basic unit of life according to the cell theory?

• Atoms

• Molecules

• Cells

• Tissues

According to the cell theory, where do all cells come from?

• Non-living matter

• Existing cells

• Chemical reactions

• Spontaneous generation

Which type of cell is always unicellular?

• Prokaryotic Cells

• Eukaryotic Cells

• Both A and B

• Neither A nor B

What is a characteristic of eukaryotic cells?

• No nucleus

• Circular DNA

• Has a nucleus

• Always unicellular

Which type of cell has membrane-bound organelles?

• Prokaryotic Cells

• Eukaryotic Cells

• Both A and B

• Neither A nor B