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TLS Online TPP Program

#Question id: 2121

Which of the following membrane activities requires energy from ATP hydrolysis?

#Unit 2. Cellular Organization

  1. facilitated diffusion of chloride ions across the membrane through a chloride channel

  2. movement of Na+ ions from a lower concentration in a mammalian cell to a higher concentration in the extracellular fluid

  3. movement of glucose molecules into a bacterial cell from a medium containing a higher concentration of glucose than inside the cell

  4. movement of carbon dioxide out of a paramecium

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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?
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