Cell Discovery

What is the total magnification of a microscope with two lenses when one lens has a magnification of 15, and the other has a magnification of 30?

• 15x

• 30x

• 45x

• 450x

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

• Cells are the basic unit of structure and function in living things?

• All cells are produced from other cells.

• Only animals are composed of cells.

• All living things are composed of cells.

What is the function of the cell membrane?

• to support the cell

• to perform different functions in each cell

• to control what enter and leaves the cell

• to form a hard outer covering for the cell

Cells in many celled organism.....

• all look the same

• all have the same structure

• are often quite different from each other

• are the same size in every part of the organism

What is the function of the cell wall?

• to protect and support the cell

• to perform different functions in ech cell

• to prevent water from from passing through it

• to prevent oxygen from entering the cell

Which organelles release chemicals that break down large food particles into smaller ones?

• ensoplasmic reticulum

• Golgi bodies

• lysosomes

• vacuoles

A light microscope that has more than one lenses is called a ___________________ microscope.

• simple

• compound

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

• compound

• function

• element

• atom

Tags

NGSS.MS-LS1-1

The sharpness of an image produced by a microscope is called _______________.

• compound

• simple

• magnification

• resolution

Small grainlike bodies called ____________________ produce proteins inside cells.

• ribosomes

• mitochondria

• vacuoles

• cytoplasm