B5 Revision. Growth and Development. An accelerated revision resource A.Blackford. Revision IS important. WARNING This PowerPoint is not a substitute for active revision using notes, the workbook and revision guide. You also need to do plenty of past papers to get exam practice.
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Growth and Development
An accelerated revision resource
This PowerPoint is not a substitute for active revision using notes, the workbook and revision guide.
You also need to do plenty of past papers to get exam practice.
You need to be able to name examples in each category for animals and plants
Red blood cells
Chromosomes has identical copy attached to it
Chromosomes become visible
Chromosomes line up in the equator
Chromosome copies separate
Copies move to opposite ends of the cell
New nuclear membranes form
2 identical cells produced (also identical to parent cell)
Strong and insoluble
Nails, hair skin
Tough but not very stretchy
Speed up chemical reactions
All cells, the gut
Defend against disease
In the blood
Plants grown in normal light. Green and sturdy
Plants growing towards the light
Plants grown in the dark. They are CHLOROTIC (yellow) and spindly (ETIOLATED