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

none of these

oppositely charged

TRUE ANSWER : ?
YOUR ANSWER : ?

To which of the following adenine always binds?

None of these

Guanine

Thymine

Cytosine

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

missense RNA

antisense RNA

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

portions of the gene called exons

portions of the gene called introns

the entire gene

the promoter

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 : ?
YOUR ANSWER : ?

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Stem and loop structures are

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

structures in DNA caused by inverted repeats

TRUE ANSWER : ?
YOUR ANSWER : ?

Guanine always binds to

cytosine

thymine

none of these

guanine

TRUE ANSWER : ?
YOUR ANSWER : ?

The chromosome of almost all bacteria is in the shape of

helix

a closed circle

an open circle

a linear chromosome

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Autoinducer

None of these

Sensor kinase

Response regulator

TRUE ANSWER : ?
YOUR ANSWER : ?