Two or three insulated wires surrounded by an outer layer of rubber or flexible plastic
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Carbohydrase
Enzyme that speeds up the breakdown of carbohydrates
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Carrier
Individual who is heterozygous for a faulty allele that causes a genetic disease in the homozygous form
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Catalyst
A substance that speeds up a chemical reaction. At the end of the reaction the catalyst remains chemically unchanged
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Cell membrane
The membrane around the contents of a cell that controls what moves in and out of the cell
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Cell wall
A rigid structure that surrounds the cells of living organisms apart from animals
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Cellulose
A big carbohydrate molecule that makes up plant and algal cell walls
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Chain reaction
Reactions in which one reaction causes further reactions, which in turn cause further reactions, etc. A nuclear chain reaction occurs when fission neutrons cause further fission, so more fission neutrons are released.
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Chlorophyll
The green pigment contained in the chloroplasts
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Chloroplast
The organelle in which photosynthesis takes place
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Chromatography
The process whereby small amounts of dissolved substances are separated by running a solvent along a material such as absorbent paper
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Circuit breaker
An electromagnetic switch that opens and cuts the current off if too much current passes through it
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Collision theory
An explanation of chemical reactions in terms of reacting particles colliding with sufficient energy for a reaction to take place
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Concentration gradient
The gradient between an area where a substance is at a high concentration and an area where it is at a low concentration
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Conservation of momentum
In a closed system the total momentum before an event is equal to the total momentum after the event. Momentum is conserved in any collision or explosion provided no external forces act on the objects that collide or explode
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Covalent bonding
The attraction between two atoms that share one or more pairs of electrons
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Crumple zone
Region of a vehicle designed to crumple in a collision to reduce the force on the occupants
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Cystic fibrosis
A genetic disease that affects the lungs, digestive and reproductive systems. It is inherited through recessive allele
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Cytoplasm
The water based gel in which the organelles of all living cells are suspended
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Other cards in this set
Card 2
Front
Enzyme that speeds up the breakdown of carbohydrates
Back
Carbohydrase
Card 3
Front
Individual who is heterozygous for a faulty allele that causes a genetic disease in the homozygous form
Back
Card 4
Front
A substance that speeds up a chemical reaction. At the end of the reaction the catalyst remains chemically unchanged
Back
Card 5
Front
The membrane around the contents of a cell that controls what moves in and out of the cell
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