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Biology > Ch 7.3 Review > Flashcards

Ch 7.3 Review Flashcards

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0
Q

Homeostasis

A

Internal balances external

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1
Q

Plasma membrane

A

Cell membrane

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2
Q

Selective permeability

A

Semi permeable

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3
Q

Structures of a plasma membrane

A

Lipid bilayer and proteins

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4
Q

Lipid bilayer

A

composed of lipids, proteins, and carbohydrates

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5
Q

A lipid bilayer has…

A

Phospholipid, and fluid mosaic model/cell membrane

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6
Q

Proteins in a structure

A

Determine which particles pass

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7
Q

Cellar transport

A

Diffusion, osmosis, passive transport, active transport, bulk transport

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8
Q

Diffusion

A

Passive, happens naturally

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9
Q

Diffusion has

A

Brownian motion, process - high concentration to lower concentration, dynamic equilibrium, concentration gradients, across plasma membrane

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10
Q

Brownian motion

A

Molecules move at random. Founded by me brown

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11
Q

Dynamic equilibrium

A

Reaches balance of molecules distributed

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12
Q

Concentration gradients

A

How much solute is dissolved in solvent, passive transport, speeds up diffusion, how much one side vs the other

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13
Q

Osmosis

A

Diffusion of water- cell membrane can’t control. Passive transport requires no energy

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14
Q

Osmosis has

A

Hypotonic solutions, hypertonic solutions, isotonic solutions

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15
Q

Hypotonic solution

A

Is a solution of high level of solvent, low level of solute

Ex: distilled water

16
Q

Hypotonic solution has

A

Turgor pressure, contractile vacuoles

17
Q

Turgor pressure

A

Water pressure inside the cell

18
Q

Contractile vacuoles

A

Hypotonic cells need them, organelle to pump water

19
Q

Hypertonic solution

A

High level of solute, a low level of solvent

Ex: salt water

20
Q

Hypertonic solution has

A

Plasmolysis

21
Q

Plasmolysis

A

Shrinkage of a cell due to loss of water

22
Q

Isotonic solution

A

Stays the same

23
Q

Passive transport

A

Move to lower concentration, requires no energy to occur

24
Q

Passive transport has

A

Transport proteins

25
Q

Transport proteins

A

Facilitated diffusion

26
Q

Facilitated diffusion

A

Moves to lower concentration, helps molecules passive transport by using carrier proteins

27
Q

Active transport

A

Move to higher concentration- uses ATP energy

28
Q

Active transport requires

A

Energy to occur, carrier proteins

29
Q

Carrier proteins

A

Help movement of molecules across the membrane

30
Q

Bulk transport

A

Movement of large molecules

31
Q

Bulk transport has

A

Phagocytosis, pinocytosis

32
Q

Phagocytosis

A

Surrounds large solids

33
Q

Pinocytosis

A

Surrounds liquids

Biology (13 decks)

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