Discovering cells

A cell's functions can include obtaining food and water and getting rid of

• gas

• water

• waste

• food

Compound microscopes focus light through __________ to produce a magnified image.

• mirror

• glass

• lenses

• microscope

A large organism is made up of many millions of __________.

• gas

• cells

A(n) ___________ lens has a center that is thicker than its edge.

• eyepiece

• convex

• light

• ray

The _________________________ describes how cells are related to living things.

• growth of cell theory

• science of cell theory

• cell theory

• theory of cells

The ability to distinguish between two nearby objects is called ________________.

• focus

• lenses

• compound

• resolution

The scientist who determined that all animals are made out of cells was

• Hooke

• Schleiden

• Schwann

• Virchow

A compound microscope with a 10x eyepiece and a 40x objective has a magnification of ________________________.

• 10x

• 40x

• 50x

• 400x

Which of the following statements is NOT part of the cell theory?

• All cells are produced from other cells.

• Cells can absorb food and oxygen.

• All living things are composed of cells.

• Cells are the basic units of structure and function in living things.

The visible field of a microscope is 10mm wide. How large is an object that takes up 1/4 of the field?

• 1mm

• 2.5mm

• 4mm

• 5mm