TLS Online TPP Program

#Question id: 28621


Substrate-targeting subunits of the APC/C recognize specific sequence motifs on the proteins that the APC/C ubiquitinates. One motif the destruction box or D-box, has the consensus sequence is___

#Unit 2. Cellular Organization
  1. GEGT14Y15GVV
  2. RXXLX[D/E]ΦΦΦXN[N/S]
  3. [S/T]PX[R/K]K
  4. Lysine rich sequence
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TLS Online TPP Program

#Question id: 27946

#Unit 1. Molecules and their Interaction Relevant to Biology

The overall equation for glycolysis is

TLS Online TPP Program

#Question id: 27947

#Unit 1. Molecules and their Interaction Relevant to Biology

For each molecule of glucose degraded to pyruvate, two molecules of ATP are generated from ADP and Pi, and two molecules of NADH are produced by the reduction of NAD+. The hydrogen acceptor in this reaction is NAD+  this NAD+ bound to a

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