Has a cell membrane; with pores; that regulates substances entering and leaving the cell; cytoplasm;
Contains sugars and salts; for maintaining its osmotic pressure;
Also has a liquid medium; for all biochemical reactions; nucleus;
Contains chromosomes having hereditary material; and controls all the activities of the cell;
ribosomes; are sites for protein synthesis; golgi bodies/apparatus; for secretion of hormones and enzymes; formation of lysosomes; lysosomes;
Contain lytic enzymes for breaking down worn-out organelles; secretory vesicles; formed from golgi apparatus for secreting substances; smooth endoplasmic reticulum; synthesizes and transports lipids; rough endoplasmic reticulum; transport proteins; nucleolus; controls the activities of the nucleus; produces ribosomes; mitochondria; form sites for energy production; centrioles; formation of cilia and flagella; forms spindle fibres used in cell division; plant sap vacuoles; store salts and other dissolved substances; controls osmotic pressure and turgidity of cells; food vacuoles involved in digestion of engulfed food; chloroplasts; form sites for photosynthesis in plant cells;
Kavungya answered the question on March 12, 2019 at 11:52
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March 10, 2019
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March 10, 2019
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March 10, 2019
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Date posted:
March 10, 2019
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What is meant by 'survival of the fittest'?
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March 10, 2019
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State the structures for gaseous exchange in the following organisms:
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Date posted:
March 10, 2019
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Distinguish between excretion and homeostasis.
Date posted:
March 10, 2019
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Answers (1)
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The population of fish in a pond was estimated using capture-recapture method.
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Date posted:
March 10, 2019
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Answers (1)
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(Solved)
(a)(i)State two reasons why clot formation is important,when a blood vessel is cut.
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Date posted:
March 10, 2019
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Answers (1)
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March 9, 2019
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March 8, 2019
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March 8, 2019
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March 8, 2019
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March 8, 2019
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March 8, 2019
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March 8, 2019
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