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3 years ago

Which of the following statements about eukaryotic mRNA processing is not correct?

Biology

1 answer:

ch4aika [34]3 years ago

6 0

Answer:

The correct answer will be option-D.

Explanation:

In eukaryotes, the process of transcription takes place inside the nucleus whereas translation takes place in the cytosol. So, mRNA has to export to the cytosol from the nucleus.

Before export, the post-transcriptional modification takes place like 5' capping, 3' tailing and splicing mechanism.

The capping is done at 5' end by adding modified guanine (G) nucleotide which protects the mRNA from exonuclease activity and tailing is done at 3' end by adding adenine nucleotides which provides stability to the mRNA.Splicing removes the junk DNA called introns and joins the exons before export.

Thus, option-D is the correct answer.

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Select 3 true statements about Analogous Structures

Debora [2.8K]

Answer:

A. They have the same function

B. They have evolved independently

C. They indicate an evolutionary relationship

Explanation:

Analogous structures are structures with a different embryonic but have evolved to perform similar function.
Analogous structures are a result of convergent evolution which is the independent evolution of similar features in species of different lineages or different embryonic origin.
Examples of analogous structures include; wings in flying animals like bats, birds, and insects, and fins in animals like penguins and fish.

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3 years ago

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bezimeni [28]

Answer:

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- The Life expectancy of a american Bulldog can be up 10-12 years.

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- The American Bulldog barking can be up 80-90 decibels.

Explanation:

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3 years ago

Carbohydrates are made up of carbon, hydrogen, and ______.

jasenka [17]

Oxygen.
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The cordilleran orogenies, from oldest to youngest, are ________ .

VARVARA [1.3K]

Nevadan, Sevier, Laramide.

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3 years ago

A mature female may have its body cavity full of black and white eggs. the black portion of the egg contains the living embryo.

adoni [48]

This might have an evolutionary advantage as to why the egg behaves such. Presumably, this can help the yolk develop leaving it away from any inconvenient circumstance

Thank you for your question. Please don't hesitate to ask in Brainly your queries.

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