subject
Biology, 23.03.2021 01:00 mkeyes83

You isolate an infectious substance that is 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 that you can use to analyze the substance in order to determine the nature of the infectious agent. I. treating the substance with nucleases that destroy all nucleic acids and then determining whether it is still infectious II. filtering the substance to remove all elements smaller than what can be easily seen under a light microscope III. culturing the substance by itself on nutritive medium, away from any plant cells IV. treating the sample with proteases that digest all proteins and then determining whether it is still infectious Which treatment would you use to determine if the agent is a prion

ansver
Answers: 3

Another question on Biology

question
Biology, 21.06.2019 17:30
How can you keep track of variables in a science experiment?
Answers: 1
question
Biology, 22.06.2019 02:00
The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.
Answers: 3
question
Biology, 22.06.2019 02:30
Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location
Answers: 1
question
Biology, 22.06.2019 03:30
When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it
Answers: 1
You know the right answer?
You isolate an infectious substance that is capable of causing disease in plants, but you do not kno...
Questions
question
Mathematics, 06.01.2021 07:20
question
Mathematics, 06.01.2021 07:20
question
English, 06.01.2021 07:20