NUCLEIC ACID STRUCTURE QUIZ

In DNA sequencing, the primer

specifies where the sequence ends

generates variety of different sized fragments

both (a) and (b)

specifies where the sequence begins

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

the promoter

portions of the gene called introns

the entire gene

portions of the gene called exons

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To which of the following adenine always binds?

Cytosine

Thymine

Guanine

None of these

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The chromosome of almost all bacteria is in the shape of

helix

a closed circle

an open circle

a linear chromosome

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Stem and loop structures are

the bonds between adjacent DNA nucleotides in the same strand

proteins that help partially denatured enzymes to recover their native configuration

structures in DNA caused by inverted repeats

structures at the ends of linear eukaryotic DNA molecules

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

nonsense RNA

antisense RNA

missense RNA

none of these

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Guanine always binds to

guanine

cytosine

none of these

thymine

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In which of the following uracil is present?

RNA

DNA

Both (a) and (b)

None of these

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The function of ribosomes within the cell is

all of these

to synthesize proteins

to ferment carbohydrates

to produce ATP

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

Autoinducer

None of these

Sensor kinase

Response regulator

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