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Ahat [919]
3 years ago
11

Which of the following routinely occurs in both eukaryotic and prokaryotic transcription?a. the RNA polymerase undergoes abortiv

e initiation prior to promoter clearanceb. the 3' end of the mRNA is polyadenylatedc. a modified guanine cap is added to the 5' end of the mRNAd. the resulting mRNAs are splicede. the nucleosomes are dismantled and reassembled as RNA polymerase moves along the DNA
Biology
1 answer:
Salsk061 [2.6K]3 years ago
3 0

Answer:

a. the RNA polymerase undergoes abortive initiation prior to promoter clearance

Explanation:

In eukaryotes the 3' end of the mRNA is polyadenylated to protect the mRNA from degradation.

In eukaryotes, a modified guanine cap is added to the 5' end of the mRNAd to protects the transcript from being broken down.

Most bacterial RNA transcripts do not undergo splicing.

The nucleosome is the basic unit of chromatin repeat in eukaryotes.

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egoroff_w [7]
Hi.

The structure which is present in both of those cells is:
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Hope it helps!
4 0
3 years ago
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Ribosome
Dafna1 [17]
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8 0
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4 0
3 years ago
Who discovered the monomers of nucleic acids? Phoebus Levene James Watson, Francis Crick, and Rosalind Franklin Friedrich Miesch
Vlad1618 [11]

Answer:

Phoebus Levene( 1896, Sagor Russia - Septemeber 1940, New York)

Explanation:

These were developed by Phoebus Aaron Theodor Levene ,he was a russian who studied medicine, with keen interest in organic chemistry.

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Between 1896- 1906,he collaborated with many nucleic acids  and protein exoperts  e.g Albrecht Kossel and Emil Fischer to  wok on the structure of DNA.And headed the Rockefeller Institute for Medical Research.

He works included :the isolation of  Nucleotide-monomers of DNA

:the isolation of D-ribose sugar from ribonucleic acid molecule.(RNA)

Discovery of 2-deoxyribonucleic ,

How the components of Nucleotide(phosphate group,sugars, and organic bases) combined to form nucleotide, and how the latter undergo condensation reaction to form DNA.

8 0
3 years ago
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PLEASE ANSWER ASAP!!!!!!
larisa86 [58]

Answer:

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Explanation:

I hope this answers your question...

5 0
3 years ago
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