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TLS Online TPP Program

#Question id: 21958

Choose the incorrect statement 

#Unit 2. Cellular Organization
  1. MARs are AT rich heterochromatic regions
  2. MARs contain cis-acting sites that regulate transcription, 5’ introns, and a recognition site for topoisomerase II
  3. Presence of topoisomerase II binding sites shows high degree of negative supercoiling is usually present in the MAR
  4. Presence of topoisomerase II binding sites shows high degree of positive supercoiling is usually present in the MAR
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TLS Online TPP Program

#Question id: 32356

#Unit 1. Molecules and their Interaction Relevant to Biology

For given plot of hexokinase

 

a. i is representing Hexokinases IV

b. ii is representing Hexokinases I, II, and III

c. i is representing Hexokinases I, II, and III

d. ii is representing Hexokinases IV

Choose the correct option
TLS Online TPP Program

#Question id: 32357

#Unit 1. Molecules and their Interaction Relevant to Biology

There are two classes of aldolases such as;
A) Class I aldolases B) Class II aldolases
i) Found in animals and plants
ii) Found in fungi and bacteria
iii) formation of protonated Schiff base on enzyme and its active site contain lysine residue
iv) do not form the Schiff base intermediate and a zinc ion at the active site is coordinated with the carbonyl oxygen at C-2

In which of the following option is the given enzyme with its correct statements?
TLS Online TPP Program

#Question id: 32358

#Unit 1. Molecules and their Interaction Relevant to Biology

The first reaction in glycolysis that results in the formation of an energy-rich compound (i.e., a compound whose hydrolysis has a highly negative DG'°) is catalyzed by
TLS Online TPP Program

#Question id: 32359

#Unit 1. Molecules and their Interaction Relevant to Biology

 Column I (Terms) Column II (Match)
 A. Hexokinase 1. Competitive inhibitor
 B. Succinate dehydrogenase 2. Glycolysis enzyme
 C. Malonate 3. TCA cycle enzyme
 D. ATP synthase 4. Oxidative phosphorylation 
TLS Online TPP Program

#Question id: 32360

#Unit 1. Molecules and their Interaction Relevant to Biology

2-Deoxyglucose (2-DG) inhibits the proliferation of cells and hence finds use as an anti-cancer agent, inhibiting the activities of which of the following enzymes?
TLS Online TPP Program

#Question id: 32361

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoglycerate mutase catalyses a reversible shift of the phosphoryl group between C-2 and C-3 of glycerate; which of the following ion is essential for this reaction