(A) Ultracentrifuge
(B) X-Ray crystallography
(C) Light microscope
(D) Electron microscope
Tag: Microbiology Mcqs
Number of hydrogen bonds between guanine and cytosine?
(A) One
(B) Two
(C) Three
(D) Four
Number of hydrogen bonds between adenine and thymine?
(A) One
(B) Two
(C) Three
(D) Four
Building blocks of nucleic acids are:
(A) Nucleotides
(B) Nucleosides
(C) Amino acids
(D) Histones
The sugar molecule in a nucleotide is:
(A) Pentose
(B) Hexose
(C) Tetrose
(D) Triose
Group of adjacent nucleotides are joined by:
(A) Phosphodiester bond
(B) Peptide bond
(C) Ionic bond
(D) Covalent bond
What is the composition of nucleotide?
(A) a sugar + a phosphate
(B) a base + a sugar
(C) a base + a phosphate
(D) a base + a sugar + phosphate
Which of the following are not the components of RNA?
(A) Thymine
(B) Adenine
(C) Guanine
(D) Cytosine