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Biology Revision 1 (Cells (Eukaryotic (Cell membrane (Holds the cell…
Biology Revision 1
Cells
Eukaryotic
Cell membrane
Holds the cell together and controls what enters and exits the cell
Mitochondria
Controls reactions in respiration
Cytoplasm
Controls chemical reactions in cells
Ribosomes
Translates genetic material in the synthesis of proteins
Nucleus
Holds genetic material that controls the activities of the cell
Prokaryotic
Large vacuole
Maintains internal pressure
Chloroplasts
Help with photyosynthesis
Rigid cell wall
Made of cellulose. Supports and strengthens the cell
Specialised Cells
Sperm cell
Haploid
Mitochondria used to give energy in order to swim
Acrosome in head to get inside egg
Egg cell
Haploid
Outer surface hardens after fertilisation
Cytoplasm provides nutrients to feed embryo
Microscopes
Electronic
Sees things really small using electrons
Light
Uses light to magnify things
Magnification
Image size = magnification X real size