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Daniel [21]
3 years ago
9

el electrophoresis is normally set up with the negative electrode at the top of the gel and the positive electrode at the bottom

of the gel. The DNA products are loaded at the top of the gel, and then a current is applied to separate them. However, when preparing to run a gel, you accidentally switched the locations of the negative and positive electrodes such that the positive electrode is at the top and the negative electrode is at the bottom. You still loaded the DNA products at the top of the gel as normal. What result are you most likely to observe if you apply an electric current to this gel setup?
Biology
1 answer:
Marina CMI [18]3 years ago
6 0

Answer:

The DNA will still move towards the positive electrode

Explanation:

Gel electrophoresis is a technique which is used by the molecular biologist to separate the fragments of DNA. In the procedure, a DNA sample of a particular concentration of DNA sample composed of a particular length of DNA is loaded into the samples.

The gel is usually set up with the positive electrode at the bottom and negative at the top which by mistake when placed at the bottom and positive at the top.

The DNA will still move from the DNA wells towards the positive side as the DNA moves in the gel as the DNA posses negative charge due to phosphate groups they have and therefore move towards the positive electrode (opposite charge always).

Thus, the DNA will still move towards the positive electrode is correct.

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2 years ago
What is the red chicken's genotype?
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If red is recessive rr 

If red is dominant it could be RR or Rr 


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3 years ago
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A girl takes a plane from Japan to Mexico and some seeds from Japanese plants fall from her shoes onto the Mexican soil. This ty
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B IT WOULD BE ACCIDENTAL CAUSE SHE DIDNT MEAN TO CARRY THEM ON HER SHOES
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3 years ago
Which of the following statements is a correct distinction between autotrophs and heterotrophs?
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Answer:

Autotrophs, but not heterotrophs, can nourish themselves beginning with and other nutrients that are inorganic.

Explanation:

Unlike heterotrophs, autotrophs such as green plants, are able to synthesize their food (in form of sugar molecules) starting with inorganic molecules like atmospheric carbon dioxide, water in the presence of sunlight.

This is commonly known as photosynthesis. The equation is shown below

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5 0
3 years ago
A nucleotide consists of a phosphate group, a pentose sugar, and a __________________, all linked together by covalent bonds. po
solong [7]

Answer:

d. nitrogen-containing base .

Explanation:

A nucleotide comprises a phosphate group, a pentose sugar and a nitrogenous base (nitrogen-containing base).

A nitrogenous base is a type of aromatic heterocyclic organic compound which essentially has nitrogen in it. The base can be a purine or pyrimidine. Purine nitrogenous bases are adenine (A) and guanine (G) while pyrimidine nitrogenous bases are cytosine (C), thiamine (T) and uracil (U).

Till the time a base is not attached to covalently linked phosphate group and a pentose sugar, it is known as nucleoside. But as soon as we attach any nitrogenous base to the nucleoside, a nucleotide is formed. So it means a nucleotide is nucleoside + nitrogenous base.

Examples are as under:

A nucleotide which has adenine as nitrogenous base is known as adenosine triphosphate (ATP) while a nucleotide which has guanine as nitrogenous base is known as Guanosine-5'-triphosphate (GTP).

7 0
2 years ago
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