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Biology > Unit 3: cells, cell transport, & mitosis > Flashcards

Unit 3: cells, cell transport, & mitosis Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Diffusion process:

A

small particles move from high to low concentration directly through the cell membrane.

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2
Q

Is diffusion passive or active?

A

Passive

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3
Q

Is protein needed for diffusion to work?

A

no

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4
Q

The concentration gradient of diffusion is low to high. True or False?

A

False

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5
Q

Is ATP needed for diffusion?

A

no

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6
Q

The process of facilitated diffusion is…

A

large particles moving from high to low concentration through a transport protein

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7
Q

Is facilitated diffusion passive or active?

A

passive

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8
Q

is protein needed for facilitated diffusion to work?

A

yes

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9
Q

Passive = __ ______

A

no energy

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10
Q

is ATP needed for facilitated diffusion?

A

no

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11
Q

the concentration gradient of facilitated diffusion is….

A

high to low

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12
Q

The process of Osmosis is….

A

water moving from high to low concentration through a semi-permeable membrane.

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13
Q

Is Osmosis passive or active?

A

passive

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14
Q

is a protein needed for Osmosis?

A

no

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15
Q

Osmosis has a concentration gradient from…

A

high to low

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16
Q

in the process of Generic Active Transport…..

A

ATP is used to move particles from low to high concentration through a transport protein.

17
Q

Generic Active Transport is active. True or false?

A

false

18
Q

Is a protein needed for Generic Active Transport?

A

no

19
Q

Is energy needed for Generic Active Transport?

A

yes

20
Q

the process of Exoctyosis is….

A

vesicles surround particles and move them out of the cell.

21
Q

the process of Endocytosis is…..

A

the membrane pinches inward to bring particles into the cell.

22
Q

Is Exoctyosis active or passive?

A

active

23
Q

Is Endocytosis active or passive?

A

active

24
Q

Is a protein needed for Endocytosis?

A

no

25
Q

is a protein needed for Exocytosis?

A

no

26
Q

what is the concentration gradient of Endocytosis?

A

either low-high or high-low

27
Q

what is the concentration gradient of Exocytosis?

A

either low-high or high-low

28
Q

Is energy needed for Exocytosis or Endocytosis?

A

yes

Biology (2 decks)

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