Question

The best way to classify two different organisms that have similar appearance and are found in the same environment is to
A) compare cilia and flagella. B) use a stain to determine the acid-base balance. C) use gel-electrophoresis to compare DNA patterns. D) use nuclear membrane sampling in the case of prokaryotes.

Answer 1

Answer:

c. use gel electrophoresis to compare dna patterns

Answer 2

The best way to classify two different organisms that have similar appearance and are found in the same environment is to use gel-electrophoresis to compare DNA patterns.

Explanation:

• The technique that is employed in the separation of the fragments of DNA depending upon the sizes refers to Gel electrophoresis.
• The process involves the loading of DNA samples into the indentations at one of the ends of a gel and the application of electric current in it.
• Those DNA fragments that are charged negatively will be moving towards the positive electrode.
• This method is employed to analyze the macromolecules and their fragments depending upon the sizes and charges.

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Name the material used as matrix in gel electrophoresis and mention its role

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A) How do DNA fragments migrate and resolve in a Gel electrophoresis?

b) How lane one is different from lane 2, 3 and 4 in the Gel electrophoresis set up?

c) How pure DNA fragments are made observable in the visible light?