Practice Questions

TLS Online TPP Program

#Question id: 39227

Q. Somaclonal variation in plants refers to:

#Plant Biotechnology

Genetic variability observed only in pollen-derived plants.
Genetic variability observed among cultured cells, regenerated plants, or their progeny.
Variability that occurs exclusively in the R₀ generation of regenerated plants.
Environmental changes in plant morphology due to tissue culture conditions.

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TLS Online TPP Program

#Question id: 24211

#Biochemistry

Plot of hexokinase IV (Glucokinase) is different While Hexokinases I, II, and III have similar kinetic properties. So, in given graph which of the following represents hexokinase IV and Hexokinases I, II, and III

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: 24212

#Biochemistry

Choose the correct statement

a. Hexokinases IV remains sequesters in the nucleus in case of high F-6-P and high ATP

b. Hexokinases IV remains sequesters in the cytoplasm in case of high F-6-P and high ATP

c. Hexokinase requires Mg+2 for its activity, because the true substrate of the enzyme is not ATP4- but the MgATP2- complex.

d. Hexokinase requires Mg+2 for its activity, because the true substrate of the enzyme is MgATP4- but not the MgATP2- complex.

TLS Online TPP Program

#Question id: 24214

#Biochemistry

Which molecule coordinately activate glycolysis and at the same time inhibit gluconeogenesis

TLS Online TPP Program

#Question id: 24215

#Biochemistry

What are the target of AMP in the glycolysis and the gluconeogenesis in the same plane

TLS Online TPP Program

#Question id: 24216

#Biochemistry

In general, high acetyl-CoA or citrate are present, or when a high proportion of the cell’s adenylate is in the form of ATP then

TLS Online TPP Program

#Question id: 24217

#Biochemistry

Choose the correct statement of the following

a. In general, high acetyl-CoA or citrate are present, or when a high proportion of the cell’s adenylate is in the form of ATP, gluconeogenesis is favored.

b. When the level of AMP increases, it promotes glycolysis by stimulating PFK-1 by inhibiting FBPase-1

c. Phosphorylation of fructose 6-phosphate, catalysed by phosphofructokinase-2 (PFK-2)

d. Glucagon increases the cellular level of fructose 2,6 bisphosphate, stimulating glycolysis and inhibiting gluconeogenesis.