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CELL BIOLOGY (animal cells (MITROCHONDRIA-most of the reactions for…
CELL BIOLOGY
animal cells
MITROCHONDRIA-most of the reactions for aerobic respiration. Respiration transfers energy the cell needs to work.
cytoplasm gel like substance where most chemical reactions happen it contains enzymes tat control the reactions
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preparing a slide
2)cut up an onion and separate it out into layers use tweezers to peel off some epidermal tissue from the bottom of one of the layers
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4) add a drop of iodine solution iodine is a stain stains are used to highlight objects in a cell by adding colour to them
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standard form numbers
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4) the number of places the decimal moves is the represented by a power of 10 this is a positive if the decimal points moved to th left and negative if its moved to the right.
2) this is where you change very big to very small numbers with lots of zeros into something more manageable eh 0.017 can be written 1.7 x 10to the power of -2
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plant cells
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chloroplast where photosynthesis occurs which makes food for the plant. contains a green substance called chlorophyll which takes light in
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bacterial cells
don't have a nucleus instead they have a single circular strand of dna that floats freely in cytoplasm
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