Practice Questions

TLS Online TPP Program

#Question id: 10275

In the initial phase of glycolysis, each hexose unit is phosphorylated twice and then split, producing two molecules of triose phosphate, in these reactions included irreversible reaction. How much irreversible reaction is performed in the glycolytic pathway through in this series of reactions?

#SCPH05 I Biotechnology

Include two of the three essentially irreversible reactions of the glycolytic pathway, which are catalyzed by hexokinase and phosphofructokinase
Include two of the four essentially irreversible reaction, catalyzed by phosphohexose isomerase and aldolase
Include two of the three essentially irreversible reactions, catalyzed by phosphohexose isomerase and phosphofructokinase
Include two of the three essentially irreversible reactions, catalyzed by Triose phosphate isomerase and aldolase

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TLS Online TPP Program

#Question id: 15715

#SCPH05 I Biotechnology

In embryogenesis a type of structure with no vascular connection with the maternal callus tissue or explants is formed

TLS Online TPP Program

#Question id: 10288

#SCPH05 I Biotechnology

If all the ATP are radiolabelled in the cytosol, then predict about radioactivity of each compound.

a) All enzyme of glycolysis will be radiolabelled except 2-phophoglycerate and phosphenol pyruvate

b) 2-phophoglycerate and phosphenol pyruvate are radiolabelled only the next cycle of glycolysis after cytosolic ATP radiolabelling

c) 1,3 bisphosphoglycerate will be radiolabelled at 1 and 3 both position

d) 2-phosphoglycerate are not radiolabelled because its enzyme phosphoglycerate mutase active site contain histidine residue exchange phosphate group from 3-phosphoglycerate

which prediction about radiolabelling is incorrect?

TLS Online TPP Program

#Question id: 18615

#SCPH06 I Botany

PCR efficiency is influenced by several factors, the efficiency declines due to

a) efficiency of amplification declines with an increase in the length of the target sequence.

b) Efficiency of PCR is affected by primer length; it declines if the primers used for PCR arc too long.

c) a temperature higher than the ideal annealing temperature reduces PCR efficiency.

d) primers used for PCR have complementary regions, dimers will be formed, and PCR efficiency will decline.

TLS Online TPP Program

#Question id: 1052

#SCPH28 | Zoology