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TLS Online TPP Program

#Question id: 7221

The cells of the neural plate are characterized by expression of the Sox family of transcription factors (Sox1, 2, and 3). These factors-

#Unit 5. Developmental Biology
  1. Activate the genes that specify cells to be neural plate and inhibit the formation of epidermis and neural crest by blocking the transcription and signaling of BMPs.
  2. Inhibit the genes that specify cells to be neural plate and activate the formation of epidermis and neural crest by blocking the transcription and signaling of BMPs.
  3. Activate the genes that specify cells to be neural plate as well as formation of epidermis and neural crest.
  4. Inhibits both the genes that specify cells to be neural plate as well as formation of epidermis and neural crest.
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TLS Online TPP Program

#Question id: 27948

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following are the priming reactions of the glycolysis
a. Fructose 6-phosphate → 1,6-bisphosphate
b. Glucose →  Glucose 6-phosphate
c. Glucose 6-phosphate → Fructose 6-phosphate
d  Glyceraldehyde 3-phosphate → 1,3-Bisphosphoglycerate
TLS Online TPP Program

#Question id: 27949

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following reaction is catalyzed by enzyme phosphohexose isomerase (phosphoglucose isomerase)
TLS Online TPP Program

#Question id: 27950

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the properties of Hexokinases I, II, III & IV is given

a. Hexokinases I, II, and III shows hyperbolic curve of glucose binding while Hexokinase IV shows sigmoidal curve 

b. Accumulation of glucose 6-phosphate inhibits hexokinases I–III by feedback mechanism 

c. Accumulation of glucose 6-phosphate allosterically inhibits hexokinases I–III.

d. The allosteric effector of Hexokinase IV is fructose 6-phosphate.

Which of the following is incorrect  
TLS Online TPP Program

#Question id: 27951

#Unit 1. Molecules and their Interaction Relevant to Biology

Fructose 6-phosphate + ATP phosphate  → Fructose 1,6-bisphosphate + ADP bisphosphate + ADP
a.This is a second priming reaction of glycolysis 
b. This reaction can be inhibited by increasing the concentration of citrate and ATP
c. This reaction can be inhibited by increasing the concentration ADP, AMP & F2,6BP
d. This reaction can be activated by increasing the concentration ADP, AMP & F2,6BP

Choose the correct option regarding the given reaction
TLS Online TPP Program

#Question id: 27952

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following given set of condition will favours gluconeogenesis
TLS Online TPP Program

#Question id: 27953

#Unit 1. Molecules and their Interaction Relevant to Biology

[F26BP] concentration are related to the glycolysis, and gluconeogenesis

a.↑[F26BP] Stimulates glycolysis, and gluconeogenesis

b.↓ [F26BP] Inhibits glycolysis, and gluconeogenesis

c.↑ [F26BP] Stimulates glycolysis, inhibits gluconeogenesis

d↓ [F26BP] Inhibits glycolysis, stimulates gluconeogenesis

Select the condition of [F26BP] in which appropriate process will takes place