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Biology > Cell Membrane & Movements Across Them > Flashcards

Cell Membrane & Movements Across Them Flashcards

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AP® Biology flashcards Biology 101 flashcards
0
Q

What are some types of food moved into the cell?

A

Sugars
Proteins
Fats

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1
Q

What moves food into the cell?

A

Food
Salts
H2O
O2

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2
Q

What moves out of the cell?

A

Wastes

Products

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3
Q

What are wastes moved out of the cell?

A

Ammonia
Salts
CO2
H2O

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4
Q

What are some products moved out of the cell?

A

Proteins

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5
Q

What does semipermeable mean?

A

Only some materials can move in & out

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6
Q

What are two types of molecules that can go directly through the cell membrane?

A

Fats

Oils

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7
Q

What allows specific materials to pass in and out of the cell?

A

Protein channels

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8
Q

What are 3 examples of channels

A

H20 channel
Salt channel
Sugar channel

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9
Q

What is diffusion?

A

Moves from high to low concentration

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10
Q

In diffusion active or passive?

A

Passive

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11
Q

Explain why diffusion is passive

A

No energy in needed

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12
Q

What are 3 types of passive transports?

A

Diffusion
Osmosis
Filicated diffusion

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13
Q

What is active transport?

A

It moves molecules from low to high concentration.

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14
Q

What does active transport require?

A

Energy

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15
Q

What type of pump does a active transport require?

A

Protein

16
Q

What happens to a cell in freshwater?

A

It is hypotonic and lysed

Gains

17
Q

What happens to an animal cell in balanced water?

A

It is isotonic and normal

It does not change.

18
Q

What happens to a animal cell in saltwater?

A

It is hypertonic and shrivels

It loses

19
Q

What happens to a plant cell in freshwater?

A

It is hypotonic and turgid

It gains

20
Q

What happens to a plant cell in balanced water?

A

It is isotonic and flaccid.

It stays the same

Biology (5 decks)

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