Transport in Cells (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is the correct definition of osmosis?
What is the correct definition of osmosis?
Water moves from weak to strong solution
What does a dilute solution contain?
What does a dilute solution contain?
Lots of water, not much dissolved stuff
What can pass through a partially permeable membrane?
What can pass through a partially permeable membrane?
Small molecules like water
Which substance is involved in osmosis?
Which substance is involved in osmosis?
Only water
In the Visking tubing experiment, what happens to the liquid level in the glass tube?
In the Visking tubing experiment, what happens to the liquid level in the glass tube?
It rises
What happens to red blood cells in a concentrated sugar solution?
What happens to red blood cells in a concentrated sugar solution?
They shrink
What happens to red blood cells placed in pure water?
What happens to red blood cells placed in pure water?
They swell up and may burst
Water always moves from where there is _____ of it to where there is _____ of it.
Water always moves from where there is _____ of it to where there is _____ of it.
more; less
What do partially permeable membranes block?
What do partially permeable membranes block?
Larger molecules like sugar
What type of membrane do cells have?
What type of membrane do cells have?
Partially permeable
What is the driving force behind osmosis?
What is the driving force behind osmosis?
Water concentration difference
Why do red blood cells shrink in concentrated sugar solution?
Why do red blood cells shrink in concentrated sugar solution?
Sugar solution is stronger than cells