Cell Theory Answers

15 verified answers
1
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Name one advantage of electron microscopes.

Answer:

Electron microscopes can magnify an object up to 300,000 times.

2
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What information did you include in your response?

A
Electron microscopes make it possible to view objects at a greater level of detail than a light microscope.
B
Electron microscopes can magnify an object up to 300,000 times.
3

Name one advantage of light microscopesover electron microscopes.

Answer:

Light microscopes can be used to observe living cells and their changing movements.

4

What information did you include in your response?

A
Living cells can be observed using a light microscope; this is not possible with an electron microscope.
B
Unlike electron microscopes, light microscopes allow scientists to observe changing movements in living cells.
5

Name one disadvantage of light microscopes.

Answer:

Light microscopes can only magnify up to 2000 times the original size.

6

What information did you include in your response?

A
Light microscopes can only magnify up to 2000 times the original size.
B
It is difficult to enhance the contrast between cells and their surroundings to see cell structure and movement with a light microscope.
7

Question text not available

Answers:
found that animals are composed of cells:Theodor Schwann
found that plants are composed of cells:Matthias Schleiden
looked at cork through a compound microscope:Robert Hooke
declared that all living cells can only come from other living cells:Rudolph Virchow
called living cells “animalcules”:Anton van Leeuwenhoek
8

Use the drop-down menus to identify the scientists who match the descriptions below.Robert HookeAnton van LeeuwenhoekMatthias Schleiden✔ Theodor SchwannRudolph Virchow found that animals are composed of cells

Answers:
found that animals are composed of cells:Theodor Schwann
found that plants are composed of cells:Matthias Schleiden
looked at cork through a compound microscope:Robert Hooke
declared that all living cells can only come from other living cells:Rudolph Virchow
called living cells “animalcules”:Anton van Leeuwenhoek
9

Robert HookeAnton van Leeuwenhoek✔ Matthias SchleidenTheodor SchwannRudolph Virchow found that plants are composed of cells

A
Robert Hooke
B
Anton van Leeuwenhoek
C
✔ Matthias Schleiden
D
Theodor Schwann
E
Rudolph Virchow
10

✔ Robert HookeAnton van LeeuwenhoekMatthias SchleidenTheodor SchwannRudolph Virchow looked at cork through a compound microscope

A
✔ Robert Hooke
B
Anton van Leeuwenhoek
C
Matthias Schleiden
D
Theodor Schwann
E
Rudolph Virchow
12

Robert Hooke✔ Anton van LeeuwenhoekMatthias SchleidenTheodor SchwannRudolph Virchow called living cells “animalcules”

A
Robert Hooke
B
✔ Anton van Leeuwenhoek
C
Matthias Schleiden
D
Theodor Schwann
E
Rudolph Virchow
13

List the three components of traditional cell theory.

Answer:

All organisms are made of cells; cells are the basic unit of structure and function for all living things; all cells come from preexisting cells.

14

According to cell theory, which of the following are made of cells? Check all that apply.

A
flowers
B
rocks
C
blood
D
water
E
bacteria
F
sugar
G
skin
15

Which components did you include in your response?

A
Cells are the basic unit of structure and function for all living things.
B
All organisms are made of cells.
C
All cells come from preexisting cells.

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