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Phantasy [73]
1 year ago
10

What temperatures are involved in the pcr cycle? what processes take place at each temperature?

Biology
1 answer:
vlada-n [284]1 year ago
6 0

The answer to the above question is:

94 degree Celsius for denaturation, 45-65 degree Celsius for primers anneal, and 72 degree Celsius for primer extension.

Denaturation: This process denatures the template (breaks the hydrogen bonds between the two strands) and activates the Taq DNA polymerase. You can adjust the activation period for a particular application or to increase yield, but it is typically kept around 94 degrees C for 2-3 minutes.

The primers anneal to the target sequence region of the template during this stage. The annealing temperature, which is typically 45–65 °C, depends on the Tm of the primers.

Primer extension/elongation: In this stage, Taq polymerase amplifies the target sequence at 72 degrees Celsius for the duration of the target's length, often between 45 and 3 minutes.

<h3>What is denaturation?</h3>

Denaturation is a biological process that alters a protein's molecular structure. As a result of denaturation, many of the weak connections or bonds (such as hydrogen bonds) that give proteins their highly organized structure in their native (natural) state are broken.

To learn more about denaturation with the help of given link:

brainly.com/question/1303446

#SPJ4

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Natural sugars, such as the lactose in milk and the fructose in fruit, and added sugars that are found in candy, soft drinks, fr
Vlada [557]

Hello there!

As you may know, there are two main types of carbohydrates:

  • Simple
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Some examples of complex carbohydrates include potatoes, split peas, pinto beans, asparagus, and practically anything that is low in sugar and high in fiber.

Simple carbohydrates, for the most part, are the complete opposite. When you're eating a sugar cookie or drinking processed juice, you are basically consuming simple carbohydrates.

With this said, the answer to your question is simple carbohydrates.

I hope I helped!

Remember, anything sweet is simple. :)

5 0
3 years ago
Which is needed for one nerve to communicate with another nerve across a synapse?
VashaNatasha [74]
<span>Synaptic cleft or the terminal buttons that transmits neurotransmitters to the next neuron, received by its dendrites and is relayed now throughout the system until it reaches the brain.
The messages must travel the distance of the nerves to the brain which are processed and made decisions, from the distance of the nerves from the sense organs, then travel back to the muscles that need to respond through the nerves.<span> </span></span>

3 0
3 years ago
ATP is similar to DNA but has two extra _______.
kondaur [170]

The words that comes in the blanks are phosphate group, phosphate group, a sugar group and a nitrogen base.

ATP stands for Adenosine triphosphate and DNA stands for Deoxyribonucleic acid. 

<span>ATP is a nucleotide that is similar to DNA but it has 2 extra phosphate groups.
</span>DNA is made up of a nucleotide that consist of a phosphate group, a sugar group and a nitrogen base.

3 0
3 years ago
Please help me <br><br> I do not no this one
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6 0
3 years ago
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If LAL (limulus amebocyte lysate) turns into a gel when exposed to a sample, it
Vlad1618 [11]

Answer: The statement is TRUE.

Explanation:

Gram negative bacteria is a type of bacteria that possesses, from the interior to the exterior, a cytoplasmic membrane, a thin peptidoglycan layer, and an outer membrane containing lipopolysaccharide. The lipid portion of the lipopolysaccharide complex of the outer layer acts as an ENDOTOXIN.

The endotoxin of the gram negative bacteria can be detected in research or biomedical laboratories through a technique called LIMULUS AMEBOCYTE LYSATE test.

The test procedure follows a principle that the endotoxin of these gram negative bacteria are capable of forming gel clots (coagulation) of blood cell (amoebocytes) lysates of the Limulus polyphemus crab.

Therefore, If LAL (limulus amebocyte lysate) turns into a gel when exposed to a sample, it

means the sample is contaminated with endotoxins of gram-negative bacteria.

6 0
3 years ago
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