Biology - B3.1

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Hormones
"Chemical messengers" that are in all multicellular organisms produced by glands.
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Melantonin
Hormone in charge of "feeling sleepy".
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Photoperiodism
Responses to change in day length.
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Pathogens
An "agent" causing disase or illness to its host, such as an organism capable of producing a disease in another organism.
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Aseptic Techniques
A set of specific practices and procedures performed under carefully controlled conditions with the goal of minimizing contamination by pathogens.
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Pasteurisation
Treating something with heat for partial sterillization to keep the quality making it safer to eat or drink
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Exponential Growth
development at an increasingly rapid rate in proportion to the growing total number or size.
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Vaccination
Edward Jenner = Cowpox vaccine causes immunisation to smallpox
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Antigens
Any substance that can stimulate the production of antibodies and combine with them.
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Antibody
A protein produced by lymphocytes attached to a specific antigen and helps to destroy and neutralise it.
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Lymphocyte
A type of white blood cell that produces antibodies.
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Memory Lymphocyte
A lymphocyte that remains in the blood for a long time afer an infection or vaccination.
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Primary Response
The response that the immune system displays when first exposed to an antigen.
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Secondary Response
The immune response occurring on second and subsequent exposures to an antigen, with a stronger response to a lesser amount of antigen,
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Monoclonal Antibodies
Many identical antibodies
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Other cards in this set

Card 2

Front

Hormone in charge of "feeling sleepy".

Back

Melantonin

Card 3

Front

Responses to change in day length.

Back

Preview of the back of card 3

Card 4

Front

An "agent" causing disase or illness to its host, such as an organism capable of producing a disease in another organism.

Back

Preview of the back of card 4

Card 5

Front

A set of specific practices and procedures performed under carefully controlled conditions with the goal of minimizing contamination by pathogens.

Back

Preview of the back of card 5
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