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10 Cards in this Set
- Front
- Back
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What is the difference between Assimilation and Absorption?
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Assimilation is changing the chemical composition of molecules, While Absorption is the taking in of the Minerals into the blood stream.
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Phagocytosis:
What is a phagocyte? |
A White blood cell that ingests and digests bacteria through the process of phagocytosis.
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Phagocytosis: how is the process of detection?
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the phagocyte detects the germs by the chemicals they give off, (Chemotaxis).
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Phagocytosis: how does the phagocyte ingest the germ?
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by rwapping it in pseudopodia to create a vessicle.
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Phagocytosis: How does a phagosome form?
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By having the bacteria completely being rwapped in pseudopodia, the bubble is called a phagosome.
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Pagocytosis: what is a lysosome?
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A cell containing powerful enzymes that is able to Digest the bacteria.
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Phagocytosis: how does a germ get digested?
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the lysosome fusions with the germ, breaking it down to it's chemical components.
Then they are expelled from the phagocyte. |
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Phatogens: What are the social Implications of AIDS
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- Many orphaned children.
- Social Stigma. - Expensive medication. - Hard to find emploment. - Early deaths mean less working labour meaning less income for Country. |
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What is the difference between Virus and bacteria?
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Viruses can not reproduce on their own, they Need living cells, and do not have a metabolism.
While bacteria, can reproduce on it's own, does have a metabolism, and don't need living cells for it's reproduction. |
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Why are antibiotics not used against viruses?
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Because antibiotics stop the metabolism, and since viruses do not have a metabolism, it is uneffective.
The use of antibiotics may harm helpful bacteria in the body as well. |
