Section 8.1 Cell Discovery

Hnrs Bio - Section 8.1

Life is Cellular

Multiple Choice

What did early scientists use to magnify images?

• glass lenses

• really bright lights

• put the objects under water

• heated the objects up

Multiple Choice

Who was the scientist that looked at cork under a simple microscope and named the little boxes "cells"?

• Schleiden

• Schwann

• Darwin

• Hooke

Multiple Choice

Who was NOT a major contributor to the Cell Theory?

• Schleiden

• Schwann

• Virchow

• Darwin

Multiple Choice

Which is NOT one of the points to the Cell Theory?

• Cells come from pre-existing cells

• All cells contain DNA

• All living things are made of cells

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

Multiple Choice

Which is NOT a benefit of light microscopes?

• Can look at both living and dead things

• Easy to use

• Fairly inexpensive

• Can magnify images up to 100,000 times

Multiple Choice

Electron Microscopes allow a scientist to view living organisms up to 1 million times magnification.

• True

• False

Multiple Choice

Which would be the best microscope for viewing a very high powered 3D image of a specimen?

• Light microscope

• Transmission Electron Microscope

• Scanning Electron Microscope

• No microscopes can produce 3D images

Multiple Choice

All living organisms are made up of either prokaryotic or eukaryotic cells.

• True

• False

Multiple Choice

Organisms that are made up of prokaryotic cells usually are made up of many cells.

• True

• False

Open Ended

Do you think humans are made up of prokaryotic cells, eukaryotic cells, or a mixture of both? Explain your reasoning.

Multiple Choice

Plant and animal cells are similar in that they both

• have a cell wall

• are eukaryotic

• have chloroplasts

• are prokaryotic