Cell Membrane Function

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The relative concentration of water in a hypotonic solution is:

high

The maintenance of a constant internal body environment

homeostasis

greater than, high

hyper

A higher salt concentration than inside the cell

hypertonic

The diffusion of water across a semipermeable membrane

osmosis

less than, low

hypo

A lower salt concentration than inside the cell

hypotonic

allows all substances to pass through:

permeable membrane

stable

stasis

An example of homeostasis in the human body is the glucose, pH, CO2 concentration in the blood being kept constant.

true

If you have two solutions separated by a semipermeable membrane, one having a 7 % concentration of salt in water and the other having a 12 % solution of salt in water, the water will flow from the side with the % solution to the side with the % salt solution.

7%, 12%

Homeostasis is the maintenance of a internal environment by the body.

constant

The relative concentration of water in an isotonic solution is:

equal

cell shrinks:

hypertonic solution

higher salt concentration than inside the cell:

hypertonic solution

Which way will water flow for the following external solutions?

hypertonic: out of the cell hypotonic: into the cell

cell bursts:

hypotonic solution

lower salt concentration than inside the cell:

hypotonic solution

same

iso

The same salt concentration as inside the cell

isotonic

cell stays the same:

isotonic solution

same salt concentration as inside the cell:

isotonic solution

The relative concentration of water in a hypertonic solution is:

low

Not having a charge or partial charge

nonpolar

The passage of water through a semipermeable membrane is called

osmosis

Any molecule can pass through without hindrance

permeable membrane

A membrane which limits the type of molecules which will pass through it is called

semipermeable

Allows some molecules to pass through but excludes others

semipermeable membrane

allows some substances to pass through; excludes others:

semipermeable membrane

If you were stranded on the ocean in a raft, what would happen if you kept drinking ocean water?

your blood would become hypertonic the concentration of water in your blood would decrease water would flow out of your body cells


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