Biology

Cells and Molecules
- Carbohydrate, lipid, protein and DNA structure and function and classification
- DNA replication
- Semi conservative replication
- Protein synthesis
- Cell membranes, transport – diffusion, facilitated diffusion, active transport and endo/exocytosis. Cell organelles
- Mitosis, mieosis process for gamete formation.
Ecology and Physiology
Ecosystems
- Abiotic (light temperature pH salinity soil type aspect) and biotic (intra and interspecific competition disease predation) factors in ecosystems
- Sampling techniques
- Transport in mammals
- Heart structure and function (cardiac cycle)
- Muscle structure and contraction
- The sliding filament hypothesis.
Inheritance and Co- ordination
- Genes, alleles, pheno and genotype
- Heterozygous and homozygous, recessive and dominant characteristics
- Monohybrid inheritance and pedigrees
- Enzymes, lock and key theory of action
- Active site structure and denaturation
- Neurone structure and motor and sensory neurones
- Synapses
- Nerve impulse, sodium potassium pump depolarisation action potential and repolarisation
- ‘All or nothing’ response
Unit assessment: 1hr 30 min theory paper 80% practical exam 20%