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Mathematics
Use the concepts and vocabulary of prime numbers, factors (divisors),…
AQAGCSE
8300
Chemistry
Alkenes are hydrocarbons with a double carbon-carbon bond.
AQAGCSE
8462
Chemistry
The first four members of the homologous series of alkenes are ethene,…
AQAGCSE
8462
Biology
AT skills covered by this practical activity: AT 1, 3 and 4.
AQAGCSE
8461
Biology
Information from receptors passes along cells (neurones) as electrical…
AQAGCSE
8461
Biology
Reflex actions are automatic and rapid; they do not involve the conscious…
AQAGCSE
8461
Biology
Required practical activity 7: plan and carry out an investigation into…
AQAGCSE
8461
Biology
Stimulus → receptor → coordinator → effector → response.
AQAGCSE
8461
Biology
Students should be able to explain how the structure of the nervous system…
AQAGCSE
8461
Biology
Students should be able to explain how the various structures in a reflex…
AQAGCSE
8461
Biology
Students should be able to extract and interpret data from graphs, charts…
AQAGCSE
8461
Biology
Students should be able to translate information about reaction times…
AQAGCSE
8461
Biology
Students should understand why reflex actions are important.
AQAGCSE
8461
Biology
The CNS coordinates the response of effectors which may be muscles…
AQAGCSE
8461
Biology
Structure and function: The CNS is the brain and spinal cord.
AQAGCSE
8461
Biology
The nervous system enables humans to react to their surroundings and to…
AQAGCSE
8461
Biology
A DNA molecule is a double helix with two polynucleotide chains held…
AQAA-Level
7402
Biology
An RNA molecule is a relatively short polynucleotide chain.
AQAA-Level
7402
Biology
Both DNA and RNA are polymers of nucleotides. Each nucleotide is formed…
AQAA-Level
7402
Biology
Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are important…
AQAA-Level
7402
Biology
In all living cells, DNA holds genetic information and RNA transfers…
AQAA-Level
7402
Biology
Structure of DNA and RNA: Ribosomes are formed from RNA and proteins.
AQAA-Level
7402
Biology
Students should be able to appreciate that the relative simplicity of DNA…
AQAA-Level
7402
Biology
In complex multicellular organisms, eukaryotic cells become specialised…
AQAA-Level
7402
Biology
Specialised cells are organised into tissues, tissues into organs and…
AQAA-Level
7402
Biology
Students should be able to apply their knowledge of these features in…
AQAA-Level
7402
Biology
The structure of eukaryotic cells, restricted to the structure and…
AQAA-Level
7402
Biology
In addition, many prokaryotic cells have: one or more plasmids a capsule…
AQAA-Level
7402
Biology
Prokaryotic cells are much smaller than eukaryotic cells. They also differ…
AQAA-Level
7402
Biology
Viruses are acellular and non-living. The structure of virus particles to…
AQAA-Level
7402
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