11/21 Flashcards

1
Q

all animals made up of cells

A

Theodor Schwann

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2
Q

an instrument that makes small objects look larger

A

Microscope

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3
Q

cork

created compound microscope

A

Robert Hooke

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4
Q

Has more than one lens

A

Compound Microscope

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5
Q

new cells are formed only from cells that already exist

A

Rudolf Virchow

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6
Q

this is widely explained of the relationship between cells and living things

A

Cell Theory

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7
Q

one-celled organisms in lake water animalcules he also created

simple microscope.

A

Anton van Leeuwenhoek

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8
Q

making an object appear larger

A

Magnification

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9
Q

concluded that all plants were made up of cells and used the compound microscope

A

Matthias Scleiden

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10
Q

making an object appear clearer distinguish individual parts

A

Resolution

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11
Q

T/F

The cell theory is only true for living things that’s are small

A

false

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12
Q

Curved thicker middle lens

A

Convex

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13
Q

T/F

Organisms that have cells lack a nucleus are prokaryotes

A

True

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14
Q

A light microscope can magnify objects up to ___ times their original size

A

1,000

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15
Q

T/F

Magnification is the ability to make things look larger than they are

A

true

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16
Q

__ is an instrument that makes small objects appear larger

A

microscope

17
Q

T/F

Chromatin floats in the nucleus which contains the genetic material or instructions for the cells functions

A

true

18
Q

__ is a rigid layer of nonliving material that surrounds the plant cell

A

cell wall

19
Q

T/F

Schwann worked alone to develop the cell theory

A

False

20
Q

__ is the microscope that has better resolution

A

electron microscopes

21
Q

The lenses in a light microscope magnifies an object by ___ the light that passes through it action word in your reading

A

bending

22
Q

Compare and contrast magnification and resolution .

A

Both magnification and resolution help you see things better but magnification makes it larger whereas resolution makes it clearer.

23
Q

Name the three parts of the cell theory in order.

A

All living things are composed of cells
Cells are the basic units of structure and function in living things
All cells are produced from other cells

24
Q

How do the cells of bacteria differ from those of other organisms? prokaryote and eukaryote.

A

Cells of bacteria lack a nucleus.

25
Q

Describe the difference between a light microscope and an electron microscope.

A

A light microscope uses lenses that focus light through the specimens whereas an electron microscope uses beams of light electricity from electricity.