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saul85 [17]
3 years ago
10

What statement is true of all living organisms?

Biology
1 answer:
BabaBlast [244]3 years ago
7 0
They grow and develop
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Why are there nucleotides (A, T, G, and C) in the master mix? What are the other components of the master mix, and what are thei
tankabanditka [31]

Answer: Nucleotides are the monomers used for DNA synthesis. The mix also contains a template, DNA taq polymerase, buffer, reverse and foward primer and magnesium ions.

Explanation:

A PCR master mix is a premixed solution that has all of the components for a Polymerase chain reaction (PCR). This reaction is a laboratory technique that amplifies small fragments of DNA into millions of copies.

The master mix used for that contains dNTPs (nucleotides). In the DNA there are four types of nucleotides that are differentiated by the nitrogen base they have: adenine (A), guanine (G), cytosine (C) and thymine (T).

<u>Since nucleotides are the monomers that make DNA, they are found in the mix because they are the material for DNA synthesis.</u>

The reaction mixture also requires;

  • DNA template, the sequence of DNA to be amplified
  • DNA taq polymerase, a heat resistant enzyme that assembles nucleotides into a new DNA
  • Salt buffer, for an optimum ionic environment and pH
  • Oligonucleotide primers (reverse and foward), pieces of DNA complementary to the template. Each hybridizes with one of the DNA chains.
  • Magnesium ions, a catalyst required by DNA polymerase to work
8 0
2 years ago
What equipment should a food worker use to reheat a baked potato?
sp2606 [1]

If you want to reheat potatoes that are already cooked on a pan or fried, they may mash or dry, especially if they are fried. Better to avoid this practice for taste reasons, even if we can possibly heat them in the pan.


How to do?

To reheat potatoes boiled in water or steam, fry them in the pan: this is the best way to get the right result to taste, and you can also heat them in the microwave. cutting them into pieces so that reheating is easier and more uniform.

7 0
3 years ago
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What am I?
nalin [4]
I think the answer is the sun but i could be wrong
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3 years ago
A chemical mutagen that is structurally similar to a nucleotide but has different base-pairing rules is called a ________.
OLga [1]

Answer:

Nucleoside analog

Explanation:

  • Nucleoside analogs are the mutagenic chemicals that have a structure that is similar to the normal bases of the nucleotide and thus can be incorporated in the DNA during the process of replication, however as it has different base-pairing rules than the normal nucleotide base it can lead to mutations.
  • An example of a nucleoside analog is acyclovir which an analog of guanosine. 
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3 years ago
An allergic reaction that is characterized by the eruption of pale red elevated patches is _____
Fed [463]
The answer is urticaria (also known as hives).
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3 years ago
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