TLS Online TPP Program

#Question id: 32408


What would result if 14CO2 were incorporated into the TCA cycle via the pyruvate carboxylase reaction.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Will remain in TCA for a cycle
  2. Will be liberated as Isocitrate decarboxylation 
  3. Will be liberated as pyruvate decarboxylation
  4. Will be liberated as a-ketoglutarate decarboxylation
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TLS Online TPP Program

#Question id: 27963

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is completely true about the α-ketoglutarate dehydrogenase complex

TLS Online TPP Program

#Question id: 27964

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes their location and cofactor along with the inhibitors is given 
a. Citrate synthase Located in Matrix space uses CoA as cofactor and can be inhibited by Monofluoroacetyl-CoA
b. Aconitase Located in Inner membrane uses Fe2+ as cofactor and can be inhibited by Fluoro acétate
c. Isocitrate dehydrogenase Located Matrix space in uses NAD, NADP Mg2+. Mn2+ as cofactor and can be inhibited by ATP
d. Succinate dehydrogenase Located in Inner membrane uses FAD as cofactor and can be inhibited by Malonate, Oxaloacetate

Which of the following is correct

TLS Online TPP Program

#Question id: 27965

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following provide moonlighting for  both uracil DNA glycosylase, effecting the repair of damaged DNA, and as a regulator of histone H2B transcription 

TLS Online TPP Program

#Question id: 27966

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following acts in the nucleus to regulate the transcription of genes that respond to thyroid hormone.

TLS Online TPP Program

#Question id: 27967

#Unit 1. Molecules and their Interaction Relevant to Biology

Malonate is an analog of succinate not normally present in cells, is a strong competitive inhibitor of succinate dehydrogenase, and its addition to mitochondria blocks the activity of the

TLS Online TPP Program

#Question id: 27968

#Unit 1. Molecules and their Interaction Relevant to Biology

As intermediates of the citric acid cycle are removed to serve as biosynthetic precursors, they are replenished by