NUCLEIC ACID STRUCTURE QUIZ

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 at the ends of linear eukaryotic DNA molecules

structures in DNA caused by inverted repeats

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

none of these

nonsense RNA

missense RNA

antisense RNA

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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 exons

portions of the gene called introns

the entire gene

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In DNA sequencing, the primer

generates variety of different sized fragments

specifies where the sequence ends

both (a) and (b)

specifies where the sequence begins

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In which of the following uracil is present?

DNA

Both (a) and (b)

RNA

None of these

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The function of ribosomes within the cell is

to ferment carbohydrates

to synthesize proteins

to produce ATP

all of these

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To which of the following adenine always binds?

Cytosine

None of these

Guanine

Thymine

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Guanine always binds to

none of these

thymine

guanine

cytosine

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

None of these

Sensor kinase

Autoinducer

Response regulator

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The chromosome of almost all bacteria is in the shape of

helix

a linear chromosome

an open circle

a closed circle

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