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ivolga24 [154]
3 years ago
7

What is electrophoresis used for

Biology
2 answers:
rodikova [14]3 years ago
6 0
Gel electrophoresis is a technique used to separate DNA fragments (or other macromolecules, such as RNA and proteins) based on their size and charge. Electrophoresis involves running a current through a gel containing the molecules of interest.
xeze [42]3 years ago
4 0

Gel electrophoresis is a technique used to separate DNA fragments (or other macromolecules, such as RNA and proteins) based on their size and charge. Electrophoresis involves running a current through a gel containing the molecules of interest.

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After finishing a psychology test, you try to relax by engaging in some meditation techniques. doing these exercises should incr
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Which of the following best describes what happens to an enzyme after it catalyzes a chemical reaction?
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3 years ago
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If plaque buildup reduces the radius of the artery by a factor of 2, by what factor does the flow rate change?
lisabon 2012 [21]

If plaque buildup reduces the radius of the artery by a factor of 2, the flow rate becomes 1/16th of the original.

Coronary heart disease results from a deposition of plaque in the blood vessels which transport blood to the heart. When the flow of blood to the heart is hampered or obstructed, the heart can be harmed due to a deficiency of oxygen.

Moreover, if a large section of plaque that is deposited gets displaced from an artery wall, it can get stick in other arteries in the body as well,  including those present in the brain.

For convenience, an assumption can be made that the artery is cylindrical in shape with a radius of R. The flow rate of a viscous fluid (blood in this case) is determined by Poiseuille's Law, i.e. Q = (π/8) (ΔP/ηl)r4.

To learn more about Poiseuille's Law here

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8 0
2 years ago
Fourteen Grey wolves were introduced into Yellowstone in 1995. By the end of 1997, there were 100 wolves in Yellowstone, and by
Shkiper50 [21]

Answer:

d) 625 grey wolves

Explanation:

Number of grey wolves in yellowstone;

1997 = 100 wolves

2002 = 275 wolves

Between 1997 and 2002 (a five year period), number of wolves increased by; 275 - 100 = 175 wolves

Population growth rate between 1997 and 2002 = 175 wolves per 5 years

Note that the population growth continued at the same rate from 2002 to 2012 (a ten year period).

Therefore;

if; 5 years = 175 wolves

10 years = (175 × 10) / 5 =350 wolves.

therefore, number of wolves between 2002 and 2012 = 350 wolves.

Number of wolves as at 2002 = 275 wolves

total number of wolves at 2012 = 350 + 275 = 625 wolves

5 0
3 years ago
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