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BIOL 201 > Lec 17 > Flashcards

Lec 17 Flashcards

1
Q

Simple diffusion moves

A

Gasses

Steroid horomones

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2
Q

Charged/large molecules need

A

A transporter

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3
Q

Transporter

A

Change shape when move

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4
Q

Channel

A

Does not change shape and allows for things to flow through

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5
Q

Moving from low to high concentration requires

A

Active transport

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6
Q

Uniport

A

Moves one

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7
Q

Symport

A

Two types in the same direction

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8
Q

Antiport

A

Two types in different direction

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9
Q

Gated regulation

A

Can be open or shute

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10
Q

Non-gated

A

Always open

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11
Q

Channels

A

Passive transport of ions

High to low concentration

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12
Q

Passive transporters

A

Move from high to low concentration but something much larger

Changes shape

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13
Q

Animal mobile carb

A

Glucose

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14
Q

Plant mobile carb

A

Sucrose

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15
Q

GLUT

A

Glucose transporter

Allows entry of glucose

Shape-Transporter

Energy: Passive

Direction: Uniport

Regulation: Non-gated

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16
Q

Why does glucose not leave the cell when it enters

A

It has moved into an area of low concentration

When glucose enters it becomes glucose 6-phosphate which cant fit into the transporter

17
Q

How do plants move sucrose

A

Passive transporter

18
Q

ATP-powered transporters moves

A

Ions with active transport

19
Q

Proton pump

A

Makes a H+ gradient

20
Q

Sodium-potassium pump

A

Exports sodium with a active transporter and moves potassium inside

ATP turns into ADP

21
Q

Sodium potassium pump shape

A

Transporter

22
Q

Sodium potassium pump energy

A

ATP-powered

23
Q

Sodium potassium pump direction

A

Antiport

24
Q

Sodium potassium pump regulation

A

Non-gated

25
Q

Sodium potassium pump jobs

A

Makes NA+ gradient

Makes K+ gradient

Maintains membrane potential

Reduces entry of water by osmosis

26
Q

Cells actively pump out

A

H+ in plants fungi protists

Na+ in animals

27
Q

H+ powered transporters

A

Active transport of other ions and monomers

28
Q

Plant sucrose H+ transporter shape

A

Transporter

29
Q

Plant sucrose H+ transporter energy

A

H+ powered

30
Q

Plant sucrose H+ transporter Direction

A

Symport

31
Q

Plant sucrose H+ transporter regulation

A

Non-gated

32
Q

Na+ powered transporters

A

Active transport of other ions and monomers

33
Q

Sodium Glucose Transporter (SGLT) imports

A

glucose into gut cells

34
Q

Sodium Glucose Transporter (SGLT) shape

A

Transporter

35
Q

Sodium Glucose Transporter (SGLT) energy

A

Na+ powered

36
Q

Sodium Glucose Transporter (SGLT) direction

A

Symport

37
Q

Sodium Glucose Transporter (SGLT) regulation

A

Non-gated

BIOL 201 (44 decks)

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