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Health, 23.06.2019 04:31
You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv
Answers: 2
Health, 24.06.2019 01:30
Which organisms are consumers in an ecosystem? choose all answers that are correct. 1 grass 2 bacteria 3 lion 4 wolf
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Health, 24.06.2019 02:40
Oops, i committed tax fraud and i’m wanted from the united states government for 15 federal crimes. su- sucks of being a supreme leader.
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What is the relationship behind having a bicycle helmet law that applies to teens?...
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