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A level Biology Year 1 > Module 2 chapter 5 > Flashcards

Module 2 chapter 5 Flashcards

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1
Q

4 methods of getting in and out of the cell

A
  • Diffusion
  • Facilitated diffusion
  • Osmosis
  • Active transport
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2
Q

Is the transportation in Diffusion active or passive

A

Passive

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3
Q

Is the transportation in Osmosis active or passive

A

Passive

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4
Q

Is the transportation in Facilitated diffusion active or passive

A

Passive

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5
Q

Is the transportation in Active transport active or passive

A

Active

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6
Q

Is the transportation in Bulk transport active or passive

A

Active

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7
Q

What type of molecule does diffusion move

A

Small

Non-polar

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8
Q

What type of molecule does Osmosis move

A

H2O

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9
Q

What type of molecule does Facilitated diffusion move

A

Polar

large

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10
Q

What type of molecule does Active transport move

A

large

charged

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11
Q

What type of molecule does Bulk transport move

A

large

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12
Q

What is an example of a molecule that diffusion moves

A

CO2

O2

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13
Q

What is an example of a molecule that Osmosis moves

A

H2O

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14
Q

What is an example of a molecule that facilitated diffusion moves

A

Glucose
Amino acids
Proteins

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15
Q

What is an example of a molecule that Active transport moves

A

Potassium ion

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16
Q

What is an example of a molecule that Bulk transport moves

A

Protein

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17
Q

What is the movement of the molecule during diffusion

A

High to low concentration

18
Q

What is the movement of the molecule during diffusion

A

High to low concentration

19
Q

What is the movement of the molecule during active transport

A

Against concentration gradient

20
Q

What is the movement of the molecule during bulk transport

A

In or out

21
Q

What is the movement of the molecule during Facilitated diffusion

A

Down concentration gradient

22
Q

are proteins needed in diffusion

A

No

23
Q

are proteins needed in Osmosis

A

No

24
Q

are proteins needed in Facilitated diffusion

A

Yes

25
Q

are proteins needed in Active transport

A

Yes

26
Q

are proteins needed in Bulk transport

A

No

27
Q

What is the water potential of pure water

A

0

28
Q

What is the scientific word for the cell bursting

A

Cytolysis

29
Q

What is the scientific word for the cell to shirvel

A

Crenate

30
Q

When will the cell crenate

A

When there’s a higher water potential in the cell than the water around it

31
Q

When will the cell cytolysis

A

When there’s a higher water potential in the water around than in the cell

32
Q

What is plasmolysis

A

When the membrane shrinks away from the cell wall

33
Q

Will a higher water potential dissolve more or less salt than a lower water potential

A

Less salt

34
Q

What is facilitated diffusion

A

Pass through protein channels called facilitated proteins

35
Q

What 4 factors affect rate of diffusion

A
  • Concentration gradient
  • Temperature
  • Surface area
  • Type of molecule
36
Q

Will a higher concentration gradient increase or decrease the rate of diffusion

A

Increase

37
Q

Will a higher temperature increase or decrease the rate of diffusion

A

increase

38
Q

Will a higher surface area increase or decrease the rate of diffusion

A

increase

39
Q

Will a larger molecule increase or decrease the rate of diffusion

A

Decrease, smaller molecules move faster

40
Q

What molecules can diffuse through a cell membrane

A
  • O2

- CO2

A level Biology Year 1 (11 decks)

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