Chapter 18
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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| Virus | Infectious particle made only of a strand of either DNA or RNA surrounded by a protein coat.
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| Pathogen | Agent that causes disease.
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| Viroid | Infectious particle made of single-stranded RNA without a protein coat, that almost always use plants as their host.
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| Prion | Infectious agent that consists of a protein fragment that can cause other proteins to fold incorrectly.
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| Capsid | Protein shell that surrounds a virus.
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| Bacteriophage | Virus that infects bacteria.
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| Lytic Infection | Infectious pathway of a virus in which host cells are destroyed.
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| Prophage | DNA of a bacteriophage inserted into a host cell's DNA.
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| Epidemic | Rapid outbreak of a disease that affects many people.
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| Vaccine | Substance that stimulates an immune response, producing acquired immunity without illness or infection.
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| Retrovirus | Virus that contains RNA and uses the enzyme called reverse transcriptase to make a DNA copy.
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| Obligate Anaerobe | Prokaryote that cannot survive in the presence of oxygen.
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| Obligate Aerobe | Prokaryote that cannot survive without the presence of oxygen.
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| Facultative Aerobe | Organism that can live with or without oxygen.
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| Plasmid | Circular piece of genetic material found in bacteria that can replicate separately from the DNA of the main chromosome.
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| Flagellum | (plural: flagella) Whiplike structure outside of a cell that is used for movement.
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| Conjugation | Process by which a prokaryote transfers part of its chromosome to another prokaryote.
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| Endospore | Prokaryote cell with a thick, protective wall surrounding its DNA.
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| Bioremediation | Process by which humans use living things to break down pollutants.
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| Toxin | Poison released by an organism.
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| Antibiotic | Chemical that kills or slows the growth of bacteria.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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