transport mechanism Flashcards

1
Q

It refers to the process of moving substances into or out of a cell through the cell membrane

A

transport mechanism

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2
Q

What are the factors that can affect membrane transport?

A

•Membrane Permeability

•Size and charge of solute

•Solute concentration

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3
Q

A disbalance in the distribution of particles of a substance.

A

concentration gradient

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4
Q

what is the 3 gradient

A

chemical gradients
electrical gradients
electrochemical gradients

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5
Q

Forms due to a difference in solute concentration on different sides of a membrane

A

chemical gradients

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6
Q

Forms due to a difference in charge on either side of a membrane.

A

electrical gradients

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7
Q

Combines the effects of electrical and chemical gradients to determine the direction that ions will flow across a membrane.

A

electrochemical gradients

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8
Q

For the organism to maintain stability or balance while adjusting that are best for its survival.

A

HOMEOSTASIS

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9
Q

2 types of transport

A

passive transport
active transport

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10
Q

involves the movement of materials through the cell membrane without the expenditure or use of energy.

A

passive transport

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11
Q

under of passive transport

A

Simple diffusion, Osmosis, and Facilitated diffusion

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12
Q

is when ions or molecules diffuse from an area of high concentration to an area of low concentration.

A

simple diffusion

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13
Q

is the diffusion of water across the cell membrane

A

osmosis

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14
Q

The movement of molecules with the aid of a transport proteins.

A

facilitated diffusion

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15
Q

3 types of solutions

A

hypertonic solution
hypotonic solution
isotonic solution

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16
Q

The cell shrinks and wrinkles.

A

hypertonic solution

17
Q

The cell swells up and bursts.

A

hypotonic solution

18
Q

involves the movement of materials through the cell membrane that requires the use of energy.

A

active transport

19
Q

Molecules move against the concentration gradient (LOW AND HIGH CONCENNTRATION).

A

active transport

20
Q

under of active transport

A

primary active transport
secondary active transport
bulk transport

21
Q

uses energy in the form of adenosine triphospate (ATP)

A

primary active transport

22
Q

it moves large quantities of substances across cell membrane

A

bulk transport

23
Q

Process by which a cell membrane invaginates and forms a pocket around a cluster of molecules.

A

endocytosis

24
Q

endocytosis could be

A

PHAGOCYTOSIS (cell eating)
PINOCYTOSIS (cell drinking)

25
Q

process that moves large molecules and waste of cell

A

exocytosis

26
Q

process that moves large molecules and waste of cell

A

exocytosis

27
Q

process by which cells absorb metabolites, hormones, proteins by the inward budding vesicle form to storage

A

receptor-mediated endocytosis