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Nucleic Acid Structure

Nucleic Acid Structure
In which of the following uracil is present?

None of these
Both (a) and (b)
RNA
DNA

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Nucleic Acid Structure
The chromosome of almost all bacteria is in the shape of

a closed circle
helix
an open circle
a linear chromosome

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Nucleic Acid Structure
The DNA that actually codes for a protein's primary structure in eukaryotes is

portions of the gene called exons
the promoter
portions of the gene called introns
the entire gene

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Nucleic Acid Structure
To which of the following adenine always binds?

Thymine
None of these
Guanine
Cytosine

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Nucleic Acid Structure
RNA that is complementary to a segment of another RNA molecule to which it will bind is known as

missense RNA
nonsense RNA
antisense RNA
none of these

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Nucleic Acid Structure
Which is not an essential part of a two-component phosphorelay system?

Autoinducer
None of these
Response regulator
Sensor kinase

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