Study Guide Chpt 7 Sec 1

Question 0

describe what Robert Hooke discovered

Answer 0

he was looking at a plant material, he seemed to discover that the cork is made up of thousands of tiny, empty chambers he named them cells

Question 1

What are the differences between prokaryotes and eukaryotes?

Answer 1

prokaryotes doesnt include nucleus & eukaryotes does, pro is larger than eur.

Question 2

The 2 scientists that claimed that plants and animals are made up of cells are..

Answer 2

Theodor Schwann and Matthias Schlieden

Question 3

List the cell theory. Does the cell theory apply to all living things?

Answer 3

• All living things are composed of cells
• cells are the basic units of structure & function in living things.
• new cells are produced from existing cells

Question 4

which microscope can magnify an object thousands of times its original size?

Answer 4

electron microscopes

Question 5

what microscope can be used to follow molecules moving through a cell wall?

Answer 5

confocal light microscope

Question 6

what kind of image does a scanning electron microscope provide to scientists?

Answer 6

stunning three-dimensional images of cells, electron microscopy can be used to visualize only nonliving.

Question 7

an example of a prokaryotic organism is..

Answer 7

bacteria