NUCLEIC ACID STRUCTURE QUIZ

Stem and loop structures are

structures at the ends of linear eukaryotic DNA molecules

structures in DNA caused by inverted repeats

proteins that help partially denatured enzymes to recover their native configuration

the bonds between adjacent DNA nucleotides in the same strand

TRUE ANSWER : ?
YOUR ANSWER : ?

To which of the following adenine always binds?

None of these

Guanine

Cytosine

Thymine

TRUE ANSWER : ?
YOUR ANSWER : ?

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

missense RNA

nonsense RNA

none of these

antisense RNA

TRUE ANSWER : ?
YOUR ANSWER : ?

The function of ribosomes within the cell is

to ferment carbohydrates

all of these

to synthesize proteins

to produce ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

Guanine always binds to

none of these

thymine

guanine

cytosine

TRUE ANSWER : ?
YOUR ANSWER : ?

The chromosome of almost all bacteria is in the shape of

a linear chromosome

helix

a closed circle

an open circle

TRUE ANSWER : ?
YOUR ANSWER : ?

In which of the following uracil is present?

None of these

DNA

RNA

Both (a) and (b)

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 : ?

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

oppositely charged

identical

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

the promoter

portions of the gene called introns

the entire gene

TRUE ANSWER : ?
YOUR ANSWER : ?

↑