Best Nucleic Acid Structure Interview Questions with Answers
Dear Readers, Welcome to Nucleic Acid Structure Objective Questions with Answers Pdf Download for Freshers Experienced Medical MBBS Students Nucleic Acid Structure Multiple choice Questions. These Objective type Nucleic Acid Structure Questions are very important for campus placement Interviews.
1. In DNA sequencing, the primer
A.specifies where the sequence ends
B.specifies where the sequence begins
C.both (a) and (b)
D.generates variety of different sized fragments
Answer: B
2. The chromosome of almost all bacteria is in the shape of
A.an open circle
B.helix
C.a closed circle
D.a linear chromosome
Answer: C
3.In which of the following uracil is present?
A.RNA
B.DNA
C.Both (a) and (b)
D.None of these
Answer: A
4. To which of the following adenine always binds?
A.Guanine
B.Cytosine
C.Thymine
D.None of these
Answer: C
5. Guanine always binds to
A.cytosine
B.guanine
C.thymine
D.none of these
Answer: A
6. The function of ribosomes within the cell is
A.to produce ATP
B.to ferment carbohydrates
C.to synthesize proteins
D.all of these
Answer: C
7. 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
A.complementary
B.oppositely charged
C.identical
D.none of these
Answer: A
8. RNA that is complementary to a segment of another RNA molecule to which it will bind is known as
A.missense RNA
B.antisense RNA
C.nonsense RNA
D.none of these
Answer: B
9. Which is not an essential part of a two-component phosphorelay system?
A.Response regulator
B.Sensor kinase
C.Autoinducer
D.None of these
Answer: C
10. The DNA that actually codes for a protein’s primary structure in eukaryotes is
A.the entire gene
B.portions of the gene called introns
C.portions of the gene called exons
D.the promoter
Answer: C
11. Stem and loop structures are
A.proteins that help partially denatured enzymes to recover their native configuration
B.structures in DNA caused by inverted repeats
C.structures at the ends of linear eukaryotic DNA molecules
D.the bonds between adjacent DNA nucleotides in the same strand
Answer: B