Study Combined Science notes on Cells for Form 3. Useful for revision, homework, and exam preparation in Zimbabwe.
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This is the ZIMSEC Combined Science notes from 2018. It is a free notes for revision.
FORM 3 COMBINED SCIENCE 4003 NEW CURRICULUM NOTES BIOLOGY SECTION CELLS A Cell is a basic unit of the structure and function of all living organisms. The cells cannot be seen by naked eyes; instead microscopes are needed to telescope our view of these structures. Cell structures: The structure of an animal and plant cell A Comparison between a plant and animal cells: Plant cells | Animal cells Have a cellulose wall covering the cell membrane | Don't have cell wall Have a cell membrane | Have a cell membrane Have cytoplasm | Have cytoplasm Have a nucleus | Have a nucleus Often have chloroplasts with chlorophyll in them | Chloroplasts absent in animal cells Often have large vacuoles containing cell sap | No vacuoles Often have starch grains | Only have glycogen granules present sometimes pdhliwayo2016@gmail.com Combined Science Notes 2018 Page | 1