Lymphatic system and immunity

Lymphatic system and immunity - Term Definition What are...

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Term: What are microbes? Definition: Microscopic organisms and particles that include: bacteria, viruses, prions and others ( parasites, fungi, etc) Term: Bacteria Definition: NO NUCLEUS. Prokaryotic, SINGLE CELLED. Have DNA in a single chromosome , but no nucleus Term: What does bacteria contain? Definition: Cell wall, plasmids ( accessory rings of DNA), and ribosomes ( protein builders and synthesizers ) Term: What are the three shapes of bacteria? Definition: Cocci, bacilli , spirillum Term: Cocci bacteria Definition: Spherical
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Term: Bacilli Definition: Rod shaped Term: Spirillum Definition: Comma or spiral shaped Term: Viruses Definition: Non living parasites . ACELLULAR ( no cells ) and must reproduce inside a host cell. Specific to which type of cell they attack. Have an envelope Term: Outer protein coat of a virus Definition: Capsid . Made up of protein subunits Term: Inner nucleic acid of a virus contains.. Definition: DNA or RNA , not both
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Term: Prions Definition: Infectious protein particles. Cause degenerative diseases of the nervous system ( mad cow) .. Transmitted by eating part of infected nerve tissue .....
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