Cell Transport Mechanisms And Permeability

LAB SEVEN: Cell Transport Mechanisms and Permeability

This week, we are examine jail cell membrane transport. In addition to the items listed in the iLab tab, your analysis assignment is to answer the following questions after completing the introductory lab. This is due by_______. Submit your assignment to the Dropbox located on the fluid tab at the top of the course page.

1. Differential permeability _A,B,D_. (3 points)

a. Is also called spotive permeability
b. Refers to the ability of the plasma membrane to select what passes through and through it.
c. Implies that all perfumes pass through membranes without hindrance
d. Keeps wastes inside the cell and nutrients outside the cell

2. Passive transport includes _A,B,E_. (3 points)

a. Osmosis
b. Simple diffusion
c. Bulk-phase endocytosis
d. Pinocytosis
e. Facilitated diffusion

3. What is the main dissimilitude between facilitated diffusion and active transport? (3 points)

Facilitated diffusion is the effort of substances from utmost concentration to low concentration; it does not ingest energy.

Active transport is the movement of substances from low concentration to high concentration; it does call for energy.

4. What is the main difference between dewy-eyed diffusion and facilitated diffusion?



(3 points)

Simple diffusion moves substances from an area of high concentration to an area of bring low concentration; it does not require energy.

Facilitated diffusion moves substances from an area of higher concentration to an area of lower concentration; it does not require energy but the transported substance either binds to protein carriers in the membrane and is ferried across or moves through water-filled protein channels.

5. List three examples of passive transport mechanisms. (3 points)

Simple diffusion
Facilitated diffusion
Osmosis

6. How potentiometer the concentration of water in a resolving power be decreased? (3 points)

Through osmosis. You can place a solution inside a...If you want to get a full essay, set out it on our website: Orderessay



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