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 in DNA caused by inverted repeats

structures at the ends of linear eukaryotic DNA molecules

TRUE ANSWER : ?
YOUR ANSWER : ?

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 : ?
YOUR ANSWER : ?

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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YOUR ANSWER : ?

In which of the following uracil is present?

Both (a) and (b)

None of these

DNA

RNA

TRUE ANSWER : ?
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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

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

Response regulator

None of these

Autoinducer

Sensor kinase

TRUE ANSWER : ?
YOUR ANSWER : ?

The function of ribosomes within the cell is

to produce ATP

to synthesize proteins

all of these

to ferment carbohydrates

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The chromosome of almost all bacteria is in the shape of

helix

a closed circle

a linear chromosome

an open circle

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Guanine always binds to

none of these

cytosine

thymine

guanine

TRUE ANSWER : ?
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In DNA sequencing, the primer

both (a) and (b)

generates variety of different sized fragments

specifies where the sequence begins

specifies where the sequence ends

TRUE ANSWER : ?
YOUR ANSWER : ?

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