Health, 17.02.2021 14:10 jarryd4202
Gawain sa Pagkatuto Bllang 2: Magtala ng 5 isyd/usapin sa panahon ng pagdadalaga at pagbibinata na sa palagay mo ay nangangailangan ng pagiingat at pagaalaga. Isulat at ipaliwanag ang iyong sagot
Answers: 3
Health, 21.06.2019 22:30
Aduty of the adult assigned to supervise a group of children is to a. check on the children at least every 20 minutes. b. keep the children within earshot. c. give the children a list of "don'ts" concerning behavior. d. conduct a name-to-face check when transitioning to the playground
Answers: 1
Health, 22.06.2019 23:00
Which of these pieces of safety equipment should be worn when operating a chainsaw
Answers: 2
Health, 23.06.2019 04:31
Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.
Answers: 1
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
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