Topic Summaries
Cell components
Transport Systems
Blood and heart disease
Stem cells, microscopy, and microorganisms
Transport in cells
Human health and enzymes
Plant transport systems
Pathogens and non-specific immunity
The immune system and drugs
Plant disease and monoclonal antibodies
Photosynthesis and respiration
The nervous system and homeostasis
The brain and the eye
Hormone regulation and waste excretion
Reproductive hormones and plant hormones
Cell division, reproduction, and DNA structure
DNA synthesis and inheritance
Genetic engineering and modification
Evolution and natural selection
Species and classification
Resource cycles and environmental change
Biodiversity and environmental management
Biomass and trophic levels
Food supply and biotechnology
Science skills: Experimental procedures
Science skills: Presenting and using data
Science skills: Measuring results
Transport Systems
Blood and heart disease
Stem cells, microscopy, and microorganisms
Transport in cells
Human health and enzymes
Plant transport systems
Pathogens and non-specific immunity
The immune system and drugs
Plant disease and monoclonal antibodies
Photosynthesis and respiration
The nervous system and homeostasis
The brain and the eye
Hormone regulation and waste excretion
Reproductive hormones and plant hormones
Cell division, reproduction, and DNA structure
DNA synthesis and inheritance
Genetic engineering and modification
Evolution and natural selection
Species and classification
Resource cycles and environmental change
Biodiversity and environmental management
Biomass and trophic levels
Food supply and biotechnology
Science skills: Experimental procedures
Science skills: Presenting and using data
Science skills: Measuring results
- Animal and plant cells share some, but not all organelles.
- Mitochondria are the site of aerobic respiration where energy is released from glucose.
- Cytoplasm is water-based and contains lots of the organelles. It is where most cell reactions take place.
- Nucleus contains deoxyribonucleic acid (DNA), which is the genetic information that controls the cell. DNA is organised into chromosomes.
- Cell membrane encloses the cell and controls which substances go in and out. Many simple substances travel by diffusion.
- Ribosomes are the site of protein synthesis.
- Chloroplasts (plant cells) contain the green pigment chlorophyll, which absorbs light for photosynthesis.
- Cell wall (plant and algal cells) made of cellulose, which strengthens the cell.
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