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Science Class_6th Grade > Moving Cellular Material_Lesson 10.3 > Flashcards

Moving Cellular Material_Lesson 10.3 Flashcards

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1
Q

Control movement the movement of substances into and out of cells

A

Membrane

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2
Q

The movement of substances through a cell membrane without using the cell’s energy

A

Passive transport

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3
Q

The movement of substances from an area of higher concentration to an area of lower concentration

A

Diffusion

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4
Q

When the concentration of a substance is the same on both sides of the membrane

A

Equilibrium

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5
Q

Define semipermeable

A

The authorization of only certain substances to enter or leave a cell

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6
Q

What is the meaning of the Latin word diffusionem?

A

To Scatter or pour out

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7
Q

The diffusion of water molecules only through a membrane

A

Osmosis

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8
Q

Semipermeable membranes allow water to pass through them until…

A

Equilibrium occurs

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9
Q

When molecules pass through a cell membrane using special proteins called transport proteins

A

Facilitated diffusion

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10
Q

Does facilitated diffusion require the use of energy?

A

No

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11
Q

Does diffusion require the use of energy?

A

No

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12
Q

Facilitated diffusion is used when…

A

Molecules are too large or are chemically unable to travel through a membrane by diffusion

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13
Q

Does osmosis require the use of energy?

A

No

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14
Q

What are the two types of transport proteins?

A

Carrier proteins and channel proteins

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15
Q

Carrier proteins and channel proteins are…

A

transport proteins

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16
Q

The sugar molecule, glucose, passes through a cell membrane by which protein?

A

Carrier proteins

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17
Q

Carries large molecules through the cell membrane

A

Carrier proteins

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18
Q

Form pores through a membrane to accommodate molecules

A

Channel proteins

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19
Q

Atomic particles, such as ions and potassium ions pass through the cell membrane by which protein?

A

Channel proteins

20
Q

Do carrier proteins require the use of energy?

A

No

21
Q

Do channel proteins require the use of energy?

A

No

22
Q

Opens one side at a time to allow large molecules through a cell membrane

A

Carrier proteins

23
Q

Allows large molecules to travel inside a cell membrane freely

A

Channel proteins

24
Q

The movement of substances through a membrane only by using the cell’s energy

A

Active transport

25
Q

Passive transport is the movement of substances from areas of _____ concentration to areas of ______ concentration

A

Higher to lower

26
Q

Active transport is the movement of substances from areas of _____ concentration to areas of ______ concentration

A

Lower to higher

27
Q

Define gradient

A

An increase or decrease in the magnitude of a property (e.g. temperature, pressure, or concentration) observed in passing from one point or moment to another.

28
Q

WHY does active transport require energy?

A

Active transport requires energy because it goes against the flow of gradient concentration.

29
Q

Allows cells to take in SPECIFIC nutrients from the environment

A

Active transport

30
Q

Allows cells to get rid of waste material

A

Active transport

31
Q

WHY is active transport important?

A

It allows cells to take in specific nutrients from the environment and to get rid of waste

32
Q

When substances are to large to enter a cell by diffusion or by using a transport protein, they enter by…

A

Endocytosis

33
Q

When substances are to large to exit a cell by diffusion or by using a transport protein, they exit by…

A

Exocytosis

34
Q

The En in Endocytosis can help remind you that…

A

Substances ENTER a cell by endocytosis

35
Q

The Ex in Exocytosis can help remind you that…

A

Substances EXIT a cell by exocytosis

36
Q

Cells TAKE IN bacteria and viruses using…

A

Endocytosis

37
Q

Cells RELEASE proteins and other substances using…

A

Exocytosis

38
Q

The process during which a cell takes in a substance by surround it with the cell membrane

A

Endocytosis

39
Q

The process during which a cell’s vesicles release their contents outside the cell

A

Exocytosis

40
Q

During this process part of the cell membrane wraps around a particle, forming a vesicle inside a cell

A

Endocytosis

41
Q

During this process a vesicle’s membranes join with the cell membrane and the vesicle’s contents are released outside the cell

A

Exocytosis

42
Q

As a cell grows, both it’s ____ and ____ increase

A

Volume and surface area

43
Q

The amount of space inside a cell

A

Volume

44
Q

The area of the cell’s membrane

A

Surface area

45
Q

WHY does a cell need a large surface area?

A

So it can take in enough nutrients from the surrounding environment and expel enough waste

46
Q

Which increases faster- the volume or surface area of a cell?

A

Volume

47
Q

WHY is osmosis important?

A

It allows cells to take in water

Science Class_6th Grade (17 decks)

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