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life science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What surrounds viruses?   protein coat  
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If a virus is not DNA, it is ____.   RNA  
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What shape is a virus that is round all around?   Spherical  
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What shape is a virus shaped like a test tube?   Cylinder  
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What shape is a virus that is like a snowflake?   Crystal  
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What shape is a virus that looks like a spaceship?   Bacteriophage  
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Viruses do not have all the characteristics of a _____________ organism.   Living  
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Viruses must rely on living organisms to _____________.   Replicate  
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Viruses cannot take in _____________.   Nutrients  
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Viruses cannot use ___________.   Energy  
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Viruses must be _____________ a cell to replicate.   Inside  
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A host cell must have specific ___________ on its cell membrane or cell wall for a virus to attach to.   molecules  
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Inside a cell a virus may become ____________ (dormant).   Latent  
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After using the host cell to replicate, the virus __________ the host cell.   Destroys  
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What is released into the host organism after the virus has replicated itself and destroyed the host cell?   Virus copies  
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Why are viruses so difficult to treat?   Mutations  
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What does the body need to make to have immunity to a virus?   antibodies  
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What are people given to trigger the production of antibodies?   Vaccines  
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What kind of cells are bacteria?   prokaryotes  
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What kind of bacteria live where few other organisms survive?   archaea  
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Hairlike structures on bacteria are called ______.   pili  
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Bacteria that are round are _________- shaped.   Sphere  
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Bacteria that are shaped like a test tube are ________- shaped.   rod  
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Bacteria that look like a squiggly worm are ___________- shaped   Spiral  
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Bacteria transfer DNA by this process.   Conjugation  
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What are harmful bacteria called?   Pathogens  
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How are bacterial infections treated?   Antibiotics  
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Bacteria produce two genetically identical bacteria by this process of asexual reproduction.   Fission  
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Bacteria that have protected themselves by building a thick internal wall are called ___________.   Endospores  
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Using too many antibiotics to treat illnesses leads to __________ _____________.   bacterial resistance  
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When beneficial bacteria break down pollutants or waste products it is called ___________.   Bioremediation  
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When beneficial bacteria attach to the roots of legumes to help the plant grow it is called ____________ ______________.   nitrogen fixation  
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Bacteria can help us make tasty _________ that last longer.   Food  
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What process involves beneficial bacteria breakIng down soil?   Decomposition  
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Bacteria that don't need the sun for energy get energy from ___________ _______________.   Chemical reactions  
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Some bacteria make their own food from __________ energy.   Light  
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Some bacteria get energy by taking in___________.   Food  
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Bacteria live almost ________________.   Everywhere  
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Bacteria do not have a ___[________.   Nucleus  
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Bacteria are ______________ than animal or plant cells.   Smaller  
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Bacteria increase genetic ______________ by the process of conjugation.   Variation  
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