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Biology > Biology #1 > Flashcards

Biology #1 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What is a compound microscope??

A

A microscope that combines two lenses

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2
Q

What is resolving power?

A

the ability to distinguish between two close objects

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3
Q

What is magnification power?

A

The #of times larger an image appears

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4
Q

When you look into a microscope, the object is _________,_________ and ____________

A

magnified, reversed and inverted

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5
Q

What is the magnification power of the eyepiece lens?

A

10x

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6
Q

What are the powers of magnification of the three objective lenses?

A

4x, 10x, and 40x

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7
Q

How do you calculate the total magnification power?

A

power of objective lens X power of eyepiece lens

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8
Q

What is an example of a stronger microscope?

A

Scanning electron microscope (200, 000x)`

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9
Q

What are the five characteristics of living things?

A 
R esponds to environment
R eproduces
G row
G ets rid of waste
N eeds energy
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10
Q

What is an example of “Responds to environment?”

A

we respond to hunger by eating

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11
Q

What is an example of “Grow?”

A

Children grow taller, replace cells

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12
Q

What is an example of “Needs energy?”

A

Plants need sunlight, water and carbon dioxide to make food

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13
Q

What is an example of “Reproduces?”

A

Salmon lay eggs

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14
Q

What is an example of “Gets rid of waste?”

A

Exhaling carbon dioxide

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15
Q

What is the cell theory?

A
  1. the cell is the basic unit of all life
  2. All living things are made up of one or more cells
  3. All cells come from other living cells
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16
Q

What are prokaryotic cells?

A

Cells that do not have organelles with membranes. Ex: Bacteria

17
Q

What are Eukaryotic cells?

A

Cells that have organelles with a membrane around them. Ex: Plant and animal cells

18
Q

Are viruses living or non living?

A

Viruses are non-living! They need a living cell in order to reproduce.

19
Q

What is the function of the objective lens?

A

magnifies the object

20
Q

What is the function of the eyepiece?

A

lens closest to the eye

21
Q

what is the function of the revolving nosepiece?

A

Allows you to switch magnification

22
Q

What is the function of the coarse focus knob?

A

used for focussing at low power

23
Q

What is the function of the stage clips?

A

holds the slide in place

24
Q

What is the function of the fine focus knob?

A

used for focussing at high power

25
Q

What is the function of the light source?

A

supplies the light needed to view the object

26
Q

What is the function of the stage?

A

supports the microscope slides

Biology (11 decks)

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