The physical mechanism by which excitation energy is conveyed from the chlorophyll that absorbs the light to the reaction centre, By this mechanism the excitation energy is transferred from one molecule to another by a nonradioactive process, this mechanism is known as

TLS Online TPP Program

#Question id: 27954

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the statement is given regarding the Pyruvate kinase 

a. Pyruvate kinase is activated  by ATP, acetyl-CoA, long-chain fatty acids 

b. Pyruvate kinase is allosterically inhibited by ATP, acetyl-CoA, long-chain fatty acids

c. Accumulation of alanine allosterically inhibits pyruvate kinase M in muscles, slowing the production of pyruvate by glycolysis

d. Accumulation of alanine activate pyruvate kinase M in muscles, increases the production of pyruvate by glycolysis

Which of the following is incorrect

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#Question id: 27955

#Unit 1. Molecules and their Interaction Relevant to Biology

The liver PK isozyme (L form) is regulated by

TLS Online TPP Program

#Question id: 27956

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the enzyme differ in glycolysis and gluconeogenesis, Which of the following set of enzyme are different

TLS Online TPP Program

#Question id: 27957

#Unit 1. Molecules and their Interaction Relevant to Biology

Bicarbonate + Pyruvate→ Oxaloacetate

a. This reaction catalyzed by pyruvate carboxylase

b. This reaction catalyzed by carbonic anhydrases

c. Uses biotin as cofactor of pyruvate carboxylase

d. Uses biotin as cofactor ofby carbonic anhydrases

Which of the following is true about the given reaction

TLS Online TPP Program

#Question id: 27958

#Unit 1. Molecules and their Interaction Relevant to Biology

The overall equation for Gluconeogenesis is

TLS Online TPP Program

#Question id: 27959

#Unit 1. Molecules and their Interaction Relevant to Biology

Amino acids can undergo net conversion to glucose and are said to be glucogenic and Glucogenic Amino Acids, are Grouped by Site of Entry

a. Alanine, Cysteine, Glycine, Serine, Threonine, Tryptophan, can undergo glucose formation by Pyruvate 

b. Arginine, Glutamate, Glutamine, Histidine, Proline can undergo glucose formation by α-Ketoglutarate

c. Isoleucine*, Methionine, Threonine, Valine can undergo glucose formation by Succinyl-CoA

d. Asparagine, Aspartate can undergo glucose formation by Oxaloacetate

Choose which of the following is correct