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Vicky Jamieson
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Decks in this class (28)
19.1 & 19.2: Populations in ecosystems
Ecology,
Ecosystems,
Processes within an ecosystem 2 m...
18
cards
19.3,19.4&19.5: Competition, predation & investigating populations
Types of competition2,
Intraspecific competition,
The size of a population is deter...
26
cards
19.6 & 19.7: Succession & its conservation & management
Climax community,
Why is it unlikely that there are...,
Pioneer species
13
cards
20.1: Gene mutations
Mutation,
Gene mutation,
Substitution of bases
25
cards
20.2: Stem cells and totipotency
Cell differentiation,
All cells in an organism,
Some genes are permanently
21
cards
20.3: Regulation of transcription and translation
Transcriptional factors,
How do transcriptional factors work,
Site of transcriptional factor in...
5
cards
20.4: Epigenetic control of gene expression
Epigenetics,
Epigenome,
The specific protein to which dna...
15
cards
20.5 & 20.6: Gene expression & cancer & genome projects
Types of tumour2,
Benign tumour,
Malignant tumour
26
cards
17.1-17.5: Studying inheritance etc...
Genotype,
Phenotype,
What is the phenotype a result of
21
cards
17.6&17.7: Sex-linkage and autosomal linkage
Sex chromosomes in humans,
Sex chromosomes in females and males,
Y chromosome
11
cards
21.1: Producing DNA fragments
Recombinant dna,
Genetically modified organism,
Gmo also known as
7
cards
18.1: Population Genetics
Population,
Gene pool,
Allelic frequency
6
cards
17.8: Epistasis
Epistasis,
Chi squared test,
Null hypothesis
6
cards
18.2: Variation in phenotype
Reasons why genetic variation ari...
1
cards
14.1: Survival and response
Stimulus,
Ability to respond to stimuli,
Selection pressure in relation to...
19
cards
14.2: Plant growth factors
Plants respond to3,
Why do plants respond to light,
Why do plants respond to water
14
cards
14.3: A reflex arc
Two major divisions of the nervou...,
Central nervous system,
Peripheral nervous system
14
cards
14.4: Receptors
Pacinian corpuscle,
Two features of sensory reception...,
Transducer
29
cards
14.5: Control of heart rate
The autonomic nervous system,
Two divisions of the autonomic ne...,
The sympathetic nervous system
27
cards
15.5+15.6: Synapses
Synapse,
How do synapses transmit information,
Synaptic cleft
30
cards
15.7: Structure of skeletal muscle
Muscles,
Three types of muscle,
Cardiac muscle
36
cards
15.1: Neurones and nervous coordination
Two main forms of communication,
Nervous system,
Hormonal system
16
cards
15.2: The nerve impulse
Nerve impulse,
The temporary reversal of electri...,
Resting potential
8
cards
15.3: Passage of an action potential
Action potentialsimple definition,
Repolarisation,
Nodes of ranvier
4
cards
15.4: Speed of the nerve impulse
Factors affecting the speed at wh...,
How does the myelin sheath affect...,
How does the diameter of the axon...
14
cards
15.8: Contraction of skeletal muscle
This skeleton is made up of bone ...,
Muscle can t they can only,
Skeletal occur in
13
cards
16.1 and 16.2: Homeostasis and feedback mechanisms
Homeostasis,
The importance of homeostasis3,
Control mechanisms
11
cards
16.3: Hormones and the regulation of blood glucose conc.
Hormones differ from each other c...,
Second messenger model,
Pancreas
15
cards
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AQA A Level Biology (chapters 14-21)
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