Slide Preview for EdExcel Unit B2 - The Components of Life

Powerpoint Description:

This slideshow covers the EdExcel 2011 Additional Science B2 unit and contains slides covering: animal cells, plant cells and their components, bacteria and its structure, using microscopes, microscope magnification, magnification calculations, genes and DNA, how genes work, the role of DNA, the Human Genome Project, uses of genetic engineering, how insulin is made with genetic engineering, mitosis and meiosis, fertilisation and the role of gametes, cloning animals, how Dolly the sheep was cloned, pros and cons of cloning, cell specialisation, stem cell research, making proteins and the role of mRNA, enzymes, lock and key, denaturing enzymes, respiration, diffusion, breathing and heart rates, heart rate and cardiac output, muscles and exercise, anaerobic respiration, photosynthesis, leaf structure, limiting factors, water loss, transpiration, the role of xylem, root hair cells and their structure, active transport, osmosis, taking samples from an ecosystem, fossils, fossil records, the pentadactyl limb, plant growth, human growth, the four parts of blood, cells, tissues and organs, the circulatory system, the heart and its valves and chambers, arteries and veins, the digestive system, peristalsis, enzymes in digestion, bile and the liver, functional foods.