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Below are the previews for the slide in B1 Cell Level Systems. If you click on them, you can see larger versions. If you are on a computer you can press the left and right arrows to move. You can also click the arrows to the left and right of the screen.

Powerpoint Description:

Use this slideshow to help you teach the B1 unit from the 2016 OCR Gateway syllabus. It covers: using a microscope, microscopy and magnification, plant and animals cells compared, bacteria cells, common features of plant and animal cells, the role of organelles, scanning electrom microscopes, facts about DNA, how cells make proteins, the role of enzymes in digestion, the lock and key model of enzymes, the active site, how enzymes are denatured by different temperatures or pH, rate of enzyme activity and how to calculate it, aerobic and anaerobic respiration compared, how the body uses energy from respiration, anaerobic respiration in plants and yeast, using monomers to make polymers, what photosynthesis needs, how photosynthesis works (in two stages), equations for photosynthesis, limiting factors.

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