Transport Across Membranes (LC 2027) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
14 questions from this quiz
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Practise the questions
14 questions from this quiz
What is diffusion?
What is diffusion?
Movement from high to low concentration
Which feature describes diffusion?
Which feature describes diffusion?
Passive process
How does oxygen move from the lungs into the bloodstream?
How does oxygen move from the lungs into the bloodstream?
Diffusion
Which molecules pass freely through selectively permeable membranes?
Which molecules pass freely through selectively permeable membranes?
Water, oxygen and carbon dioxide
What is osmosis?
What is osmosis?
Special diffusion of water molecules
What is a solvent?
What is a solvent?
The liquid that dissolves substances
What happens to an animal cell in a hypotonic solution?
What happens to an animal cell in a hypotonic solution?
Swells and may burst
What happens to an animal cell in a hypertonic solution?
What happens to an animal cell in a hypertonic solution?
Shrinks and becomes crenated
What happens to a plant cell in a hypotonic solution?
What happens to a plant cell in a hypotonic solution?
Becomes turgid
What is plasmolysis?
What is plasmolysis?
Cytoplasm pulling away from cell wall
How does salt preserve food?
How does salt preserve food?
Creates hypertonic environment
What is turgor pressure?
What is turgor pressure?
Cytoplasm pressure against cell wall
What is a key feature of active transport?
What is a key feature of active transport?
Moves against concentration gradient
Which is an example of active transport?
Which is an example of active transport?
Root cells absorbing minerals from soil