Bacteria and virus
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Why are viruses considered to be nonliving | they are not cells, and viruses don't use energy to grow or to respond to their surroundings.
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| what is th basic structure of a virus | the virus is made up of a outer protein coat and genetic material inside.
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| how do viruses multiply | The genetic material directs the cell to produce the virus's proteins and genetic material. These proteins and genetic material are then assembled into new viruses.
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| what is a virus | A small, nonliving particle that invades and then reproduces inside a living cell
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| what's a host | an organism that provides a source of energy or a suitable environment for a virus or for another organism
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| what are parasites | an organism that lives on or in a host and causes harm to the host
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| what is bacteriophage | A virus that infects Bactria
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| why are Bactria cells different from all other organisms' cells | Bactria are prokaryotes. The genetic material in their cells is not contained in a nuleus.
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| what are the positive roles that bacteria play in people's lives | Bacteria are involved in fuel and food production, environmental recycling and cleanup, and the production of medicines.
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| what is cytoplasm | The region of a cell located inside the cells membrane ( in prokaryotes) or between the cell membrane and nucleus ( in eukaryotes) ; contains a gel-like material and cell organelles
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| what are ribosomes | A tiny structure located in the cytoplasm of a cell where proteins are made
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| what is flagellum | A long, whip like structure that extends out through the cell membrane and cell wall.
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| what is binary fission | A form of asexual reproduction in which one cell divides to from two identical cells.
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| what is asexual reproduction | The reproductive process involves only one parent and produces offspring that a identical to the parent.
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| what is sexual reproduction | The reproductive process that involves two parents who combine their genetic material to produce a new organism, which differs from both parents
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| what is conjugation | The process in which a unicellular organism transfers some of its genetic material to another unicellular organism.
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| what is respiration | the production of offspring that are similar to the parents.
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| what are endospores | A small, round, thick-walled,, resting cell that forms inside a bacterial cell
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| what are decomposers | an organism that breaks down large chemicals from dead organisms into small chemicals and returns important materials to the soil and water.
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| what are the two kingdoms of bacteria. | Archaebacteria and Eubacteria
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| how does bacteria reproduce and survive | when bacteria have plenty of food, the right temperature, and other suitable conditions, they thrive and reproduce frequetly.
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| How do infectious diseases spread from person to person | through contact with either an infected person, a contaminated object , an infected animal, or an environmental soure
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| What is infectious disease | An illness that can pass from one organism to another.
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| what are antibiotics | A chemical that can kill bacteria without harming a person's cells.
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| what is a vaccine | a substance that stimulates the body to produce chemicals that destroy viruses, bacteria, or other disease-causing organism
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| what is toxin | A poison that can harm an organism.
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| how can infectious diseases be treated or prevented | get a vaccine
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