Transport Mechanism Flashcards

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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

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

A

Chemical Gradients

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5
Q

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

A

Electrical Gradients

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6
Q

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

A

Electrochemical Gradient

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7
Q

What is the importance of Transport Mechanisms?

A

to maintain stability or balance while adjusting that are best for its survival. This processes is also called as HOMEOSTASIS.

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8
Q

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

A

Passive Transport

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9
Q

3 types of passive transport?

A

Simple diffusion, Osmosis, and Facilitated diffusion

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10
Q

high concentration to low concentration?

A

Passive Transport

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11
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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12
Q

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

A

Facilitated Diffusion

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13
Q

is the diffusion of water across the cell membrane.

A

Osmosis

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14
Q

3 Types of Solutions

A

Hypertonic solution
-cell shrinks

Hypotonic solution
-cell swells

Isotonic Solution
-function cell normal size

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15
Q

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

A

Active Transport

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16
Q

low concentration to high concentration?

A

Active Transport

17
Q

3 types of active transport?

A
  • Primary
  • Secondary
  • Bulk Transport
18
Q

Uses energy usually in the form of Adenosine Triphosphate (ATP).

A

Primary Active Transport

19
Q

Uses Potential Energy often from electrochemical potential difference as ions are pumped

A

Secondary Active Transport

20
Q

It moves large quantities of substances across cell membranes.

A

Bulk Transport

21
Q

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

A

Endocytosis

22
Q

Process that moves large molecules and waste out of a cell.

A

Exocytosis

23
Q

Cell Eating?

A

Phagocytosis

24
Q

Cell Drinking?

A

Pinocytosis

25
Q

process by which cells absorb metabolites, hormones, proteins by the inward budding of the plasma membrane.

A

Receptor-mediated endocytosis

26
Q
  1. Which of the following processes moves molecules using cellular energy?

A. Diffusion
B. Facilitated diffusion
C. Osmosis
D. Pinocytosis

A

D

27
Q
  1. Which of the following statements is a function of a cell membrane?

A. The cell membrane keeps the cell wall in place.
B. The cell membrane stores water, salt, proteins, and carbohydrates.
C. The cell membrane breaks down lipids, carbohydrates, and proteins from foods.
D. The cell membrane regulates the movement of materials into and out of the cell.

A

D

28
Q
  1. When cells take in food particles through active transport, what is it called?

A. Exocytosis
B. Osmosis
C. Phagocytosis
D. Pinocytosis

A

C

29
Q
  1. What do you call the movement of water across a membrane?

A. Diffusion
B. Endocytosis
C. Exocytosis
D. Osmosis

A

D