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

identical

none of these

complementary

oppositely charged

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Sensor kinase

Autoinducer

None of these

Response regulator

TRUE ANSWER : ?
YOUR ANSWER : ?

Guanine always binds to

cytosine

none of these

thymine

guanine

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

TRUE ANSWER : ?
YOUR ANSWER : ?

The function of ribosomes within the cell is

all of these

to ferment carbohydrates

to synthesize proteins

to produce ATP

TRUE ANSWER : ?
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Stem and loop structures are

structures in DNA caused by inverted repeats

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

TRUE ANSWER : ?
YOUR ANSWER : ?

To which of the following adenine always binds?

Guanine

Cytosine

None of these

Thymine

TRUE ANSWER : ?
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In DNA sequencing, the primer

specifies where the sequence ends

generates variety of different sized fragments

specifies where the sequence begins

both (a) and (b)

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

Both (a) and (b)

RNA

None of these

DNA

TRUE ANSWER : ?
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