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Korolek [52]
3 years ago
9

Question 10 of 10

Biology
1 answer:
sasho [114]3 years ago
5 0

Option D

polymerase chain reaction (PCR) do Makes more copies of a sample of DNA

<u>Explanation:</u>

A procedure to create several portraits of a distinct DNA section is termed as Polymerase chain reaction. In other words, it is a lab routine handled to compose various representations of a portion of DNA. PCR is extremely explicit and can be utilized to increase, or model, a particular DNA destination from a hybrid of DNA particles.  

In PCR, the effect is regularly cycled within a range of temperature variations, which deduct countless models of the destination range to be exhibited. PCR intends to obtain sufficient of the objective DNA region that it can be examined or applied in some other way.

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2. Distinguish between prokaryotic and eukaryotic cells<br> Prokaryotic:<br> Eukaryotic:
marin [14]

Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles.

Explanation:

7 0
3 years ago
What will most likely happen if a person does not consume the minimum Dailey requirement of carbohydrates
Leviafan [203]

The person will likely go into ketosis after long enough. Their body will burn fat and protein. It will cause bad breath due to the ketones being released via saliva as a result of ketosis.

6 0
3 years ago
Bacteria cells have no
Lady bird [3.3K]
They have no nucleus or other membrane-bound organelles. Because they have that instead of DNA
3 0
3 years ago
What are two main types of posttranscriptional modifications that take place in the mrna of eukaryotes?
erastovalidia [21]

Answer:

Addition of poly A tail and and addition of 5' cap

Explanation:

In eukaryotes, many post-transcriptional modification takes place like 5' capping, polyadenylation, and splicing. In 5' capping 7-methyl guanosine is added toward the 5' end of mRNA by the action of a enzyme called guanyl transferase. This cap protects mRNA from degradation.

In polyadenylation up to 250 adenosine nucleotides are added at the 3' end of the mRNA and it is called poly-A tail. Poly A polymerase is the enzyme that is responsible for polyadenylation.  

Therefore two main post transcription modifications are 5' capping and polyadenylation.

4 0
3 years ago
Which statement describes Linus Pauling's contribution to the understanding of DNA structure?
solong [7]

Answer:

t describes Linus Pauling's contribution to the understanding of DNA structure?

Having first discovered the spiral shape of proteins, Linus Pauling used x-ray technology to hypothesize that the DNA molecule consisted of two consistently spaced strands that formed a spiral shape.

Linus Pauling studied DNA base pairing.

Having originally studied proteins, Pauling proposed that DNA was a three-chained helix with a sugar-phosphate backbone at the center and bases sticking out from the backbone.

Linus Pauling conducted experiments to prove that DNA carried genetic information.

Explanation:

4 0
3 years ago
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