1) What is a virus? a) A tiny, non-living particle that invades and then reproduces inside a living cell b) An organism that provides a source of energy or a suitable environment for a virus or another organism to live c) AN organism that lives inside or on another organism and takes food from the organism in or which it lives 2) How are viruses similar to living things? a) Are not cells b) Are only able to multiply c) DO not use energy to grow or respond to surroundings d) Take energy from host e) Do not make own food, take in food, and therefore doo produce waste 3) What is the basic structure of a virus? (3 answers) a) Has a protein coat b) Inner Core contains genetic material c) Some viruses may also have an envelope d) Flagelles on the outside of the virus e) Any shape 4) What has to happen before you name a virus? (4 answers) a) Look at it through a misccroscope b) Think about the scientists c) What the virus does d) What the organism is that it inferctcs e) What disease it causes f) Where it was found 5) How can viruses be useful? a) Are good for alll bacteria cells b) Can be used in gene therapy

Viruses

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