Biochemistry Part 2 Quiz Solved. Recent BIO303 Quiz 1 Solution for Help in Studies or Exams and Improve Knowledge or Learning Skills. Also, Get PDF File Given Below.
BIO303 QUIZ 1 SOLVED
1. Pyruvate is oxidized with loss of its carboxyl group to yield ___.
a) Starch
b) Malate
c) Succinyl CoA
d) Acetyl-coenzyme A
2. Bioenergetics is the ___ study of the energy transductions changes of one form of energy into another.
a) Quantitative
b) Qualitative
c) Both Quantitative and Qualitative
d) None of given
3. ___ of the three P atoms of ATP molecule can serve as the electrophilic target for nucleophilic attack.
a) Alpha
b) Beta
c) Gamma
d) All of given
4. An endergonic reaction ___.
a) Requires energy
b) Releases enzymes
c) Releases energy
d) All of given
5. When a reaction proceeds with the gain of free energy. G is positive the reaction is said to be ___.
a) Exergonic
b) Endergonic
c) All of given
d) Reactive
6. Formation of intermediate complexes with ___ ions influences the confirmation of Phosphate groups in nucleotides.
a) Manganese
b) Magnesium
c) Iron
d) Iodine
7. During the activation of a fatty acid, both phosphoanhydride bonds of ___ are broken.
a) Fatty acid
b) ATP
c) Triglyceride
d) Thiol group
8. Hydrolysis of a-b phosphoanhydride bond of ATP molecule generate energy equal to ___ KJ/mol.
a) 23
b) 46
c) 93
d) 186
9. Gibbs free energy, G expresses the amount of energy capable of doing work during a reaction at constant ___.
a) Temperature
b) Pressure
c) Temperature and Pressure
d) Force
10. Study of energy relationships and energy conversations in biological systems is termed as ___.
a) Microbiology
b) Biotechnology
c) Bioenergetics
d) Biophysics
11. During the activation of fatty acids, the ___ group of coenzyme A displaces the adenylyl group and forms a thioester with fatty acid.
a) Ketone
b) Carboxy
c) Aldehyde
d) Thiol
12. Formation of intermediate complexes with ___ ions influences the confirmation of phosphate groups in nucleotides.
a) Manganese
b) Magnesium
c) Iron
d) Iodine
13. Delay deficiency of Niacin the vitamin form of NAD and NADP, causes ___.
a) Arthritis
b) Pellagra
c) Diabetes
d) None of given
14. The flavin nucleotides FMN and FAD serve as prosthetic groups for the enzymes, called ___.
a) Nitro proteins
b) Glycoproteins
c) Flavoproteins
d) Lipoproteins
15. The heat content of the reacting system is knowns as ___.
a) Enthalpy
b) Equilibrium Constant
c) Entropy
d) Dissociation constant
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