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Selective permeability of membranes

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Total cards: 9•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (9)

#1
Front (Question)

What does it mean if a membrane is said to be permeable?

Back (Answer)

A membrane is said to be permeable to a substance if the substance can pass through

#2
Front (Question)

What does it mean if a membrane is said to be impermeable?

Back (Answer)

A membrane is said to be impermeable to a substance if the substance cannot pass through it

#3
Front (Question)

What is a membrane said to be if a substance can pass through it?

Back (Answer)

Permeable

#4
Front (Question)

What is a membrane said to be if a substance cannot pass through it?

Back (Answer)

Impermeable

#5
Front (Question)

What are selectively permeable membranes?

Back (Answer)

Membranes which allow some but not all molecules to pass through

#6
Front (Question)

What type of membranes are selectively permeable?

Back (Answer)

Biological membranes

#7
Front (Question)

List some materials which are selectively permeable 2

Back (Answer)

Visking tubing Dialysis tubing

#8
Front (Question)

List some molecules which can pass through selectively permeable biological membranes (3)

Back (Answer)

Water Oxygen Carbon dioxide

#9
Front (Question)

List some molecules which cannot pass through selectively permeable biological membranes (3)

Back (Answer)

Sugars Proteins Salts