Which of the following is the common mononucleotide exists as a single nucleotide?
a) ATP
b) NAD
c) NADP
d) DNA & RNA
Explanation: adenosine triphosphates (ATP) is an energy rich molecule and is commonly called energy currency
All of the following are mononucleotides except……….
a) AMP
b) GTP
c) FAD
d) ATP
When an ATP molecule is hydrolyzed into ADP and P and almost…….Kcal.
a) 2
b) 5
c) 13
d) 7
Which of the following is/are the common dinucleotides/s exist/s as a two nucleotides?
a) DNA & RNA
b) NAD
c) NADP
d) both b and c
Explanation: NAD (Nicotinamide Adenine Dinucleotide) and NADP (Nicotinamide Adenine Dinucleotide phosphaste) are co-enzyme.
Which of the following is/are polynucleotides made up of many nucleotides?
a) DNA & RNA
b) NAD
c) FAD &NADP
d) AMP & GTP
Explanation: DNA (deoxyribonucleic acid) made up of deoxyribonucleotides and RNA (ribonucleic acid) made of ribonucleotides
Which of the following nitrogenous base is not found in DNA?
a) Adenine (A)
b) Guanine (G)
c) Uracil (U)
d) Cytosine (C) and Thymine (T)
