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Alex Ar [27]
3 years ago
6

I dont understand the using your knowledge question :/

Biology
1 answer:
Dahasolnce [82]3 years ago
6 0

Answer:

There are two types of cell membranes. Either open or closed. Open is when other particles can get in or out. Closed is the opposite.

I hope that helps!

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Answer: the answer is D. All of the above

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Seperation technique is used to separate undisolved solid particle from liquid.

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How long will it take for the Jefferson Memorial to erode completely?<br><br> 30 points!
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May be this can help

But we've never been to the planet's core. We haven't even come close. The central point of the Earth is over 6,000km down, and even the outermost part of the core is nearly 3,000 km below our feet.Aug 13, 2015

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The substance used to separate the proteins from the dna
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DNA is deoxyribonucleic acid, which is insoluble in ethanol. In the process of centrifugation the addition of ethanol can aid to separate protein from its DNA.

<h3>What is centrifugation?</h3>

Centrifugation is a process of separating different molecules in a given sample that have different densities by rotating them in solution around an axis at high speed.

It is the frequently applied techniques in the molecular biology laboratory.

The addition of alcohol or ethanol to the sample followed by centrifugation can separate the proteins from its DNA.

Thus, the substance used to separate the proteins from the DNA is alcohol or ethanol.

For more details regarding centrifugation, visit:

brainly.com/question/12954017

#SPJ4

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