Cell Structure, Reproduction and Development
- Cells, tissues and organelles
- Common features of cells
- Membrane
- Cytoplasm
- DNA
- Ribosomes
- Levels of organisation
- Tissue
- Organ
- Organ system
- Eukaryotic organelles
- Nucleus and nucleolus
- Mitochondria
- rER and sER
- Golgi apparatus
- Lysosomes
- Centrioles
- Protein secretion
- rER
- Transport vesicle
- Golgi apparatus
- Exocytosis
- Prokaryotic cells
- Cell wall
- Capsule
- Plasmid
- Flagellum and pili
- 70S ribosomes
- Electron micrographs
- Cristae
- Dotted rER
- Stacked Golgi
- Common features of cells
- Microscopy and measuring cells
- Magnification
- Image ÷ object
- Units
- Rearranging
- Resolution
- Wavelength
- Light 200 nm
- Electrons shorter
- Types of microscope
- Light
- TEM
- SEM
- Staining
- Contrast
- Dyes
- Heavy metals
- Core Practical 5
- Cheek cells
- Drawing rules
- Graticule
- Stage micrometer
- Magnification
- Chromosomes, meiosis and gametes
- Linkage
- Locus
- Same chromosome
- Crossing over breaks it
- Meiosis and variation
- Haploid gametes
- Crossing over, prophase I
- Independent assortment, metaphase I
- 2ⁿ combinations
- Mammalian gametes
- Acrosome
- Mitochondria and flagellum
- Zona pellucida
- Cortical granules
- Mammalian fertilisation
- Acrosome reaction
- Membrane fusion
- Cortical reaction
- Nuclei fuse
- Plant fertilisation
- Pollen tube
- Micropyle
- Two male nuclei
- Double fertilisation
- Linkage
- Mitosis and the cell cycle
- Cell cycle
- G1
- S phase
- G2
- Mitosis
- Cytokinesis
- Stages of mitosis
- Prophase
- Metaphase
- Anaphase
- Telophase
- Roles of mitosis
- Growth
- Repair
- Asexual reproduction
- Identical cells
- Core Practical 6
- Root tip
- Acid
- Acetic orcein
- Squash
- Mitotic index
- Cells in mitosis ÷ total
- Percentage
- Cell cycle
- Stem cells, gene expression and phenotype
- Stem cells
- Totipotent
- Pluripotent
- Morula
- Blastocyst
- Society and stem cells
- Benefits
- Risks
- Ethics
- Regulation
- Differential gene expression
- Active mRNA
- Proteins
- Specialisation
- Post-transcriptional changes
- Introns removed
- Exons joined
- Alternative splicing
- Epigenetics
- DNA methylation
- Histone modification
- Passed on in division
- Variation
- Multiple alleles
- Polygenic
- Continuous
- Environment
- Stem cells