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A Level Biology Essay > Importance of Feedback in Biology > Flashcards

Importance of Feedback in Biology Flashcards

1
Q

General Topics

A

Positive feedback
Negative feedback
Importance of receptors

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2
Q

Immunology

A

Antigens

Fighting pathogens

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3
Q

Cell membranes

A

Antigens
Receptors
Channel proteins e.g sodium, link to threshold paragraph

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4
Q

Positive feedback for threshold potential

A 
Initial membrane depolarisation
Opening of voltage gated Na+ channels
Increased Na+ flows through membrane
Further membrane depolarisation
Typically in unmyelinated axons
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5
Q

Positive feedback for oxytocin

A

See rsfc vle

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6
Q

Negative feedback for glucose

A

x

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7
Q

Negative feedback for digestion

A

x

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8
Q

Negative feedback for kidneys

A

x

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A Level Biology Essay (5 decks)

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