Biology AS Glossary Terms

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Energy required to bring about a recation. It is lowered by the presence of enzymes.
Activation Energy
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Resistance to disease resulting from the activities of an individuals own immune system whereby an antigen induces plasma cells to produce antibodies.
Active Immunity
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A group of amino acids that makes up the region of an enzyme into which the substrate fits in order to catalyse a reaction.
Active Site
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Movement of a substance from a region where it is in a low concentration to a region where it is in high concentration. The process requires the expenditure of metabolic energy.
Active Transport
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Connected with the presence of free oxygen. This type of respiration requires free oxygen to release energy from glucose.
Aerobic
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One of a number of alternative forms of a gene. For example, the gene for the shape of pea seeds has two of these, one for 'round' and one for 'wrinkled'.
Allel
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A normally harmless substance that causes the immune system to produce an immune response.
Allergen
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The response of the immune system to an allergen. Examples include hayfever and asthma.
Allergy
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Other cards in this set

Card 2

Front

Resistance to disease resulting from the activities of an individuals own immune system whereby an antigen induces plasma cells to produce antibodies.

Back

Active Immunity

Card 3

Front

A group of amino acids that makes up the region of an enzyme into which the substrate fits in order to catalyse a reaction.

Back

Preview of the front of card 3

Card 4

Front

Movement of a substance from a region where it is in a low concentration to a region where it is in high concentration. The process requires the expenditure of metabolic energy.

Back

Preview of the front of card 4

Card 5

Front

Connected with the presence of free oxygen. This type of respiration requires free oxygen to release energy from glucose.

Back

Preview of the front of card 5
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