BIOSENSORS AND BIOCHIPS 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

none of these

oppositely charged

complementary

identical

TRUE ANSWER : ?
YOUR ANSWER : ?

Stem and loop structures are

structures at the ends of linear eukaryotic DNA molecules

proteins that help partially denatured enzymes to recover their native configuration

structures in DNA caused by inverted repeats

the bonds between adjacent DNA nucleotides in the same strand

TRUE ANSWER : ?
YOUR ANSWER : ?

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

portions of the gene called introns

the promoter

the entire gene

portions of the gene called exons

TRUE ANSWER : ?
YOUR ANSWER : ?

Guanine always binds to

none of these

guanine

cytosine

thymine

TRUE ANSWER : ?
YOUR ANSWER : ?

In which of the following uracil is present?

DNA

RNA

Both (a) and (b)

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Autoinducer

Response regulator

Sensor kinase

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

To which of the following adenine always binds?

None of these

Cytosine

Thymine

Guanine

TRUE ANSWER : ?
YOUR ANSWER : ?

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

nonsense RNA

antisense RNA

none of these

missense RNA

TRUE ANSWER : ?
YOUR ANSWER : ?

The chromosome of almost all bacteria is in the shape of

a closed circle

a linear chromosome

helix

an open circle

TRUE ANSWER : ?
YOUR ANSWER : ?

In DNA sequencing, the primer

generates variety of different sized fragments

both (a) and (b)

specifies where the sequence ends

specifies where the sequence begins

TRUE ANSWER : ?
YOUR ANSWER : ?