TLS Online TPP Program

#Question id: 10788


Phenyl ammonia lyase (PAL) involved in biosynthesis of phenolic compound in plants. Following are some statements regarding the action of PAL;

a) PAL catalyze conversion of phenyl alanine to p-coumaric acid

b) PAL catalyzes the conversion of phenyl alanine into trans-Cinnamic acid by elimination of an ammonia molecule

c) The activity of PAL is increased by environmental factors, such as low nutrient levels, light, and fungal infection

d) PAL is situated at a branch point between primary and secondary metabolism, so the reaction that it catalyzes is an important regulatory step in the formation of many phenolic compounds

Which of the following combinations of above statement is true?

#Unit 6. System Physiology – Plant
  1. A, C and D  
  2. B and C     
  3. A and C            
  4. B, C and D
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TLS Online TPP Program

#Question id: 27942

#Unit 1. Molecules and their Interaction Relevant to Biology

Glycolytic enzymes along with them their class is mentioned  
(1) Phosphoglucoisomerase, Phosphotriose isomerase, Phosphoglycerate mutase belongs to Isomerases 
(2) Hexokinase, Phosphofructokinase, Phosphoglycerate kinase, Pyruvate kinase belongs to Transferases 
(3) Aldolase, Enolase belongs to Lysases 
(4) Glyceraldehyde 3-phosphate dehydrogenase belongs to Oxidoreductases

Which of the following is correct

TLS Online TPP Program

#Question id: 27943

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following reaction is catalyzes by enolase during Glycolysis

TLS Online TPP Program

#Question id: 27944

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following is not the component of Co-A

TLS Online TPP Program

#Question id: 27945

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements is true regarding the payoff phase of glycolysis

a. Each molecule of glyceraldehyde 3-phosphate is oxidized and phosphorylated by ATP to form 1,3-bisphosphoglycerate 

b. Each molecule of glyceraldehyde 3-phosphate is oxidized and phosphorylated by inorganic phosphate to form 1,3-bisphosphoglycerate

c. Oxidative phosphorylation of 3-Phosphoglycerate produces one NADH

d. Oxidative phosphorylation of glyceraldehyde 3-phosphate, produces one NADH

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