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Health, 23.06.2019 04:31, EatsChiken
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
![image](/tpl/images/cats/health.png)
Health, 23.06.2019 08:00, 20jessicar598
What typically happens when a family member has a problem with alcohol or drugs? adults in the family are affected more than children children in the family are affected more than adults. the entire family is affected. no one in the family is affected.
Answers: 2
![image](/tpl/images/cats/health.png)
![image](/tpl/images/cats/health.png)
Health, 23.06.2019 15:00, tatibean26
Calculate alex’s tee. alex has a bmr of 1,300 calories and he exercises lightly. his tee is .
Answers: 2
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Can I just talk to someone? I’ve been feeling really depressed and my parents are always yelling...
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