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Cell Biology Flashcards
Free GCSE and A Level Biology Study Cards
These free cell biology flashcards cover organelle functions, transport mechanisms, and the key differences between cell types. A quick revision tool for GCSE Biology and A Level prep.
Question
What is the function of the cell membrane?
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Answer
Controls what enters and exits the cell, maintaining homeostasis.
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Question
What is the difference between a prokaryotic and eukaryotic cell?
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Answer
Prokaryotic cells have no nucleus or membrane-bound organelles; eukaryotic cells do.
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Question
What does the mitochondria do?
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Answer
Carries out aerobic respiration, producing ATP (energy) for the cell.
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Question
What is the role of the ribosome?
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Answer
Synthesises (makes) proteins by translating mRNA.
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Question
What is the function of the cell wall in plant cells?
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Answer
Provides structural support and prevents the cell from bursting due to osmosis.
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Question
What is the function of the vacuole in plant cells?
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Answer
Stores cell sap and helps maintain the turgor pressure of the cell.
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Question
What is the role of the chloroplast?
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Answer
Carries out photosynthesis, converting light energy into glucose.
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Question
What are the three domains of life?
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Answer
Bacteria, Archaea, and Eukarya.
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Question
What is diffusion?
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Answer
The net movement of particles from a region of high concentration to low concentration down a concentration gradient.
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Question
What is osmosis?
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Answer
The movement of water molecules across a partially permeable membrane from a dilute to a more concentrated solution.
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