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kakasveta [241]
2 years ago
11

What does the PCR do

Biology
1 answer:
schepotkina [342]2 years ago
8 0

Answer: It is a technique used to amplify a segment of DNA of interest or produce lots and lots of copies. In other words, PCR enables you to produce millions of copies of a specific DNA sequence from an initially small sample – sometimes even a single copy. (looked it up on google lol)

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Which statements accurately describe elements? Check all that apply.
s2008m [1.1K]

Answer:

Elements are made up of only one type of atom.

Each element has a unique chemical symbol.

Elements can be identified by their atomic number.

6 0
3 years ago
As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called
fomenos

Answer:

As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called Keratinization.

Explanation:

Keratinization is a process which changes the stratum corneum of the skin to a hard cover which provides protection.

The process of keratinization involves polymerization of keratin polypeptides. The keratin polypeptides gets polymerized into intermediate filaments of keratin. Each of the intermediate filament of keratin constitute around 30,000 polypeptides of keratin.  

3 0
3 years ago
How does the cell theory describe the levels of organization of living organisms ???
Burka [1]
<span>It took over 200 years for the "cell theory" to be formalized and accepted. Hooke and Leeuwenhoek were early microscopist's.... but at the time the nature of matter, the belief in spontaneous generation, and the idea there were little worlds within little worlds ad infinitinum was popular. The discovery of the periodic table and establishment that atoms were real, the demolishing of spontaneous generation, all happened at the time that Schwann and Schleiden (and others) were working with better microscopes, better ideas about the material world, and better observations...... thus the cell theory.

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5 0
3 years ago
Temperature and kinetic energy are ___________ proportional.
Natali5045456 [20]

Directly

Explanation:

The average kinetic energy of a gas particle is directly proportional to the temperature. An increase in temperature increases the speed in which the gas molecules move. All gases at a given temperature have the same average kinetic energy.

6 0
2 years ago
Some microorganisms cause human disease. Other microorganisms are used in making cheese, yogurt, and bread. Based on this inform
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the correct answer is c
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2 years ago
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