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biology unit 4

This class was created by Brainscape user Sara Selama. Visit their profile to learn more about the creator.

By: Sara Selama
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Decks in this class (16)

24.1 sensory reception N/C
Stimulus,
Response,
Advantages of sensitive response
26  cards
24.2 role of receptors
Sensory reception vs sensory perc...,
Features of the pacinian corpuscle,
What stimulus does pacinian corpu...
12  cards
24.3 the nervous system and neurones
Neurones nerve cells,
Nerve impulses,
Nervous system has 2 major divisions
19  cards
24.4 the nerve impulse
How is movement of k and na ions ...,
Resting potential,
Establishment of resting potentia...
5  cards
25.1 structure of skeletal muscle N/C
Muscles as effectors,
Three types of muscles,
Where is cardiac muscle found
7  cards
25.2 contraction of skeletal muscle
Sliding filament mechanism
1  cards
26.1 tropisms and auxins
Tropisms,
What factors do plants respond to,
What is light tropism called
11  cards
26.2 ethen and abscisic acid (ABA)
Uses of ethene,
Two categories of fruits ripening,
Climacteric fruits
11  cards
27.1 principles of homeostasis
Homeostasis,
Conditions should be maintained b...,
Why is control of internal temper...
13  cards
27.2 the principles of feedback mechanisms
Why is feedback loop important,
Two types of feedback,
Negative feedback occurs when
14  cards
27.3 the need to control blood glucose concentration
Importance of glucose,
What two things depend on the con...,
Two sources of glucose
15  cards
27.4 hormones and the regulation of blood glucose
0  cards
epigenetic control of gene expression
Epigenetic changes,
Causes of epigenetic changes,
Methylation of dna
16  cards
hormones and RNA interference N/C
What two factors are necessary fo...
1  cards
totipotency and cell specialisation
Facts,
Which genes are permenantly expre...,
Which genes are permenantly not e...
3  cards
producing DNA fragments
What has recombinant dna technolo...,
Problems present with insulin tec...,
Recombinant dna
14  cards

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biology unit 4

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