NUCLEIC ACID STRUCTURE QUIZ

According to base pairing rules the bases of one strand match-up with the bases of the second strand of DNA and the two strands are said to be

complementary

identical

oppositely charged

none of these

TRUE ANSWER : ?
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In DNA sequencing, the primer

specifies where the sequence begins

both (a) and (b)

generates variety of different sized fragments

specifies where the sequence ends

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The chromosome of almost all bacteria is in the shape of

helix

an open circle

a linear chromosome

a closed circle

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

Response regulator

Autoinducer

None of these

Sensor kinase

TRUE ANSWER : ?
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In which of the following uracil is present?

Both (a) and (b)

DNA

RNA

None of these

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Stem and loop structures are

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

the bonds between adjacent DNA nucleotides in the same strand

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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

antisense RNA

nonsense RNA

missense RNA

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To which of the following adenine always binds?

Guanine

None of these

Cytosine

Thymine

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The function of ribosomes within the cell is

to synthesize proteins

to ferment carbohydrates

all of these

to produce ATP

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

the promoter

the entire gene

portions of the gene called introns

portions of the gene called exons

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