Cell Trasport Membrane Flashcards

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0
Q

Selective permeability

A

The plasma membrane maintains the proper concentration of materials inside the cell by controlling the passage of materials into and out of the cell

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1
Q

Homeostasis

A

The regulation of an organism’s internal environment to maintain conditions

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2
Q

Structure of the plasma lipids

A

The plasma membrane is composed of a lipid belayer-2 layers of lipids embedded in lipid belayer

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3
Q

Lipids

A

Include fats and oils

fluid mosaic model

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4
Q

What determines what can cross the membrane?

A

Some proteins

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5
Q

Passive transport

A

Form high concentration to low concentration

Pushing a ball down a hill

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6
Q

Active transport

A

From low concentration to high concentration-requires energy (ATP)

*pushing a ball up a hill

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7
Q

Discussion

A

The net movement of particles that are dissolved in water from an area of higher concentration to an area of lower concentration

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8
Q

Facilitated diffusion

A

Occurs in cells when substances are moved from an area of higher concentration to an area of lower concentration.

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9
Q

Osmosis

A

The diffusion of water molecules

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