Ch. 7 Cell Structure and Function

Fill in the Blanks

:Are the basic unit of life

Multiple Choice

Early Microscopes were used to study:

• soil

• bacteria

• plants

• rocks

Multiple Choice

Scientists in the 1800s created cell theory which discovered

• plants were made of cells

• animals were made of cells

• new cells were made from dividing of existing cells

• all of these

Fill in the Blanks

are the basic units of structure and function in living things

Multiple Choice

A microscope uses ________ and ______ to magnify objects up to ________ times bigger

• light, lenses, 1000

• water, sunlight, 10

• air, soil, 100

Fill in the Blanks

Electron Microscopes are used to study objects

than cells such as viruses or DNA

Multiple Choice

Transmission Electron Microscopes

• specimens do not have to be cut into thin slices

• produce 3 dimensional images

• Used to study cell structures and large protein molecules

Multiple Choice

Scanning Electron Microscopes

• specimens have to be cut into thin slices

• produce 3 dimensional images

• Used to study cell structures and large protein molecules