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22 Cards in this Set
- Front
- Back
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A virus consists of a protein coat called a what?
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capsid
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Can viruses have both DNA and RNA?
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No, they must have one or the other
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In a ____ infection, the virus commandeers the cell's reproductive machinery and begins reproducing new viruses.
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Lytic
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In a ____ infection, the viral DNA is incorporated into the host genome, or, if the virus is an RNA virus and it possesses the enzyme reverse transcriptase, DNA is actually reverse-transcribed from RNA and then incorporated into the host cell genome.
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Lysogenic
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A virus in a lysogenic cycle is called a ____ virus.
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temperate
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Are viruses larger or smaller than bacteria and eukaryotic cells?
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Smaller
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Are Archaea more like eukaryotes or bacteria?
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They have similar features to both
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How are cocci bacteria shaped?
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Round
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How are bacilli bacteria shaped?
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Rod-shaped
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How are spirilla bacteria shaped?
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spiral shaped
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Do bacteria contain a bacterial envelope or cell wall?
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Both
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The bacterial cell wall is made out of what?
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Peptidoglycan
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Bacterial flagella are made from the globular protein called what?
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Flagellin
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Conjugation, transformation, and transduction are three examples of what in bacteria?
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Genetic Recombination
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Bacteria undergo a type of cell division called what?
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Binary Fission
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Bacterial conjugation requires that one of the bacterium have a plasmid with a gene that codes for the ____.
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sex pilus
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____ is the process by which bacteria may incorporate DNA from their external environment into their genome.
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Transformation
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The transfer of a DNA from one bacterium to another via a virus is called what?
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Transduction
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Eukaryotic heterotrophs that spend most of their lives in the haploid state are what?
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Fungi
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Most fungi are saprophytic, meaning what?
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They live off dead, organic matter
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Most fungi possess cell walls called ____ made of the polysaccharide chitin.
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Septa
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In fungi, asexual reproduction will occur when conditions are ____; sexual reproduction normally occurs when conditions are ____.
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Good; Bad
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