TLS Online TPP Program

#Question id: 4413


Which of the following is true about TFIID?

#Unit 3. Fundamental Processes
  1. It helps to wind DNA and has phosphatase activity 

  2. It has both acetylase acitivty and phosphatase activity 

  3. It acetylates histones 

  4. It recruits RNA polymerase II to promoter region by binding to DNA elements such as TATA box  

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TLS Online TPP Program

#Question id: 32352

#Unit 1. Molecules and their Interaction Relevant to Biology

The net free energy change, DG° of gluconeogenesis for the conversion of Pyruvate to glucose is 

TLS Online TPP Program

#Question id: 32353

#Unit 1. Molecules and their Interaction Relevant to Biology

The principal form in the brain of Hexokinase is 

TLS Online TPP Program

#Question id: 32354

#Unit 1. Molecules and their Interaction Relevant to Biology

In Glucokinase-driven glycolysis
1. ATP/ADP ratio which results in 
2. K+ channel opening 
3.  opening of Ca2+ channels 
4. secretion of insulin by the b-cells. 
In this way, the action of glucokinase in the b-cells results in glucose uptake.
Choose correct combination of true & false

TLS Online TPP Program

#Question id: 32355

#Unit 1. Molecules and their Interaction Relevant to Biology

Glucose 6-phosphate allosterically inhibits
A) hexokinase I
B) glucokinase
C) hexokinase II

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?