TLS Online TPP Program

#Question id: 10340


There several charecteristics of nitrate reductase, which of the following properties of nitrate reductase is incorrect?

#Botany
  1. It is homodimer with two identical subunits
  2. Each containing three prosthetic groups: nicotinamide adenine dinucleotide (NAD), heme, and a molybdenum ion complexed to an organic molecule called a pterin
  3. Nitrate reductase is the main molybdenum-containing protein in vegetative tissues
  4. Nitrate reductase each subunit with 100KD
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TLS Online TPP Program

#Question id: 27964

#Biochemistry

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: 27966

#Biochemistry

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

#Biochemistry

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

#Biochemistry

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

TLS Online TPP Program

#Question id: 27969

#Biochemistry

Which of the following is correct overall reaction for ETS

TLS Online TPP Program

#Question id: 27970

#Biochemistry

For the redox pair NAD/NADH, E is -0.320 V, and for the pair O2/H2O, E is 0.816 V.  The DE for this reaction is therefore 1.14 V, and the standard free-energy change G’0 is