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

none of these

identical

oppositely charged

TRUE ANSWER : ?
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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 exons

portions of the gene called introns

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In which of the following uracil is present?

Both (a) and (b)

DNA

None of these

RNA

TRUE ANSWER : ?
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In DNA sequencing, the primer

both (a) and (b)

specifies where the sequence begins

generates variety of different sized fragments

specifies where the sequence ends

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

None of these

Response regulator

Sensor kinase

Autoinducer

TRUE ANSWER : ?
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Stem and loop structures are

structures in DNA caused by inverted repeats

structures at the ends of linear eukaryotic DNA molecules

the bonds between adjacent DNA nucleotides in the same strand

proteins that help partially denatured enzymes to recover their native configuration

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The chromosome of almost all bacteria is in the shape of

a closed circle

an open circle

a linear chromosome

helix

TRUE ANSWER : ?
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The function of ribosomes within the cell is

to synthesize proteins

all of these

to ferment carbohydrates

to produce ATP

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Guanine always binds to

thymine

cytosine

none of these

guanine

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To which of the following adenine always binds?

Thymine

None of these

Cytosine

Guanine

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