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Hitman42 [59]
3 years ago
8

Rna primer constructed during dna replication needs to be replaced because rna differs from dna. What does it contain?

Biology
2 answers:
inna [77]3 years ago
7 0
Structurally speaking, RNA and DNA are different. One clear distinction between the two is that RNA is single stranded, while DNA is double stranded. Another way they differ is found in their nitrogen bases. The four bases for DNA are Adenine, Thymine, Cytosine, and Guanine (think, ATCG). The bases for RNA are the same, except Thymine is replaced with Uracil (think, AUCG).

Another note is that RNA polymerase is unable to detect errors in base pairings, unlike DNA polymerase, but their syntheses are both in the 5’3’ direction. Hopefully this helps you answer this question.
Paul [167]3 years ago
6 0

Answer:

The RNA primers are required during the initiation process of the DNA replication. These primers acts as the template for the further process of the DNA replication.

These RNA primers must be replaced as RNA is quite different from DNA. The oxyribose pentose sugar is present in RNA structure while deoxyribose pentose sugar is present in DNA. The nitrogenous bases present in RNA are adenine, guanine, cytosine and uracil and thymine is present in DNA instead of uracil. RNA is highly unstable in nature than DNA.

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The correct sequence is option (c)

All the living organisms in the world responds to the environmental conditions and that condition could be temperature, pressure, etc. The changes in the environmental conditions are first observed by the cells of the body and then by the tissues and then from tissues it gets transferred to the organ then to organ system and finally the organism responds to the change.


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3 years ago
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klio [65]
The organelle that packages molecules for transport outside the cell is the Golgi Apparatus. The molecules are packages in transport vesicles inside the Golgi Apparatus.

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the site of atapuerca in northern spain is one of the most important fossil hominin sites in europe. identify what the following
Temka [501]

There have be found some fossils of ancient remains over the years. What the fossils from Atapuerca revealed about the hominins living in Europe at this time is below:

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  • The Fragment shows that there was a possibility of cannibalism in that area.

It shows that possible cannibalism took place as there were Cutmarks on various hominin bones found at Atapuerca mirror.

The relatively healthy population was found out through the study of the dentition of the Atapuerca hominins by anthropologists. It gave them a view into their diet and overall health.

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learn more from

brainly.com/question/14012174

7 0
3 years ago
2x+y=−8x−y=−4{2x+y=−8x−y=−4
topjm [15]
(4,0)(-4,0) Is the correct answer :)
3 0
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How does the virus use a host cell to make copies of itself
vagabundo [1.1K]

Answer:

I wasn't quite sure what virus you were referring to in your question, but here's a general answer: Viruses use their host cells' machinery to replicate themselves.

If they are a specific type of virus known as a retrovirus, they have the ability to use the host cells' enzymes to change the RNA contained within the virus into DNA (via some type of replication I suppose).

In other cases, if they contain DNA instead of RNA (that is, the virus), they can use the host cell's machinery to create RNA via enzymes involved in transcription and/or they can incorporate that DNA into the host cell's DNA. This is part of a type of viral replication cycle known as the lysogenic cycle.

In another type of viral replication cycle known as the lytic cycle, the virus simply has itself and its genome duplicated until the host cell bursts, releasing the viral material. Here, again, the virus uses the host cell's machinery to replicate itself.

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4 years ago
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