Bioinorganic Chemistry

ABC26IN0302 · Identify the function of hemocyanin and the metal responsible for it · 2005-2021

ABC26IN0303 · During oxygen transport by hemerythrin, oxygen is bound as · 2005-2021

ABC26IN0304 · At pH 7.2 and 10 Torr oxygen partial pressure, the extent of O2 binding is · 2005-2021

ABC26IN0305 · Amongst the following, the group that is bound to the metal ion in coenzyme B12 is · 2005-2021

ABC26IN0306 · The vO-O resonance Raman stretching frequency (in cm-1) of the O2 coordinated to iron centre in oxyhemoglobin is nearly · 2005-2021

ABC26IN0307 · The metal ion and the macrocyclic skeleton present in the green pigment of plants, respectively, are · 2005-2021

ABC26IN0308 · The coordination geometries around the copper ion of plastocyanin (a blue-copper protein) in oxidized and reduced form, respectively are · 2005-2021 self-practice

ABC26IN0309 · The O2 coordinated to metal ion centres in oxy-myoglobin and oxy-hemocyanin exists, respectively, as · 2005-2021

ABC26IN0310 · Match the metalloproteins with their respective functions. · 2005-2021

ABC26IN0311 · In oxyhemocyanin, the coordiantion number, mode of oxygen binding, color and the net magnetic behavior of copper ions, respectively are… · 2005-2021

ABC26IN0312 · The following table lists the reaction/conversion catalyzed by metalloenzymes. · 2005-2021

ABC26IN0313 · Which one of the following is a non-heme protein? · 2005-2021

ABC26IN0314 · The correct statement(s) about the concentration of Na^+ and K^+ ions in animal cells is/are: · 2005-2021 self-practice

ABC26IN0863 · The coordination geometry of copper (II) in the type I copper protein plastocyanin is: · JUNE 2013

ABC26IN0866 · Patients suffering from Wilson's disease have · DEC 2013

ABC26IN0867 · High dose of dietary supplement ZnSO4, for the cure of Zn deficiency · DEC 2013

ABC26IN0918 · Match the iron and copper proteins with biological function in the table below: The correct matches are · JUNE 2021

ABC26IN0855 · A metal ion that replace manganese (II) ion in mangano-proteins without changing its function, is · DEC 2011

ABC26IN0034 · In the bacterial rubredoxin, the number of iron atoms, sulfur bridges and cysteine ligands are (Fe atom, sulfur bridge, cysteine) · 2011 self-practice

ABC26IN0856 · In the bacterial rubredoxin, the number of iron atoms, sulfur bridges and cysteine ligands are Fe atom Sulfur bridge Cysteine · DEC 2011

ABC26IN0036 · The changes (from A-D given below) which occur when O2 binds to hemerythrin are (A) One iron atoms is oxidized (B) Both the iron atoms are… · 2012

ABC26IN0858 · The changes (from A-D given below) which occur when O2 binds to hemerythrin are (A) One iron atoms is oxidized (B) Both the iron atoms are… · JUNE 2012

ABC26IN0859 · In the photosynthetic systems the redox metalloproteins involved in electron transfer are cytochrome (cyt, b), cytochrome bf complex (cyt… · JUNE 2012

ABC26IN0037 · Oxidised form of enzyme catalase (structure A); prepared by the reaction of [Fe(P)]+ (P = porphyrin) with H2O2 has green color because… · 2013

ABC26IN0869 · Oxidised form of enzyme catalase (structure A); prepared by the reaction of [Fe(P)]^+ (P = porphyrin) with H2O2 has green color because · DEC 2013

ABC26IN0876 · Identify correct statements for mercury as an environment pollutant. A. Carbanionicbiomethylation converts it to MeHg+ B. Thiol group of… · DEC 2014

ABC26IN0039 · Match the metalloproteins in column-A with their function in column-B The correct answer is · 2014

ABC26IN0878 · Match the metalloproteins in Column-A with their function in Column-B The correct answer is · DEC 2014

ABC26IN0897 · Consider the following statements for metallothioneins: A. the contain about 30% cysteine residues B. they prefer to bind soft metal ions… · JUNE 2017

ABC26IN0913 · Complex(es) which has/have unpaired electron(s) that is equal to that of iron center in oxymyoglobin is/are A. [Fe(ox)3]3- B. [Fe(CN)6]3-… · DEC 2019

ABC26IN0919 · In 3-iron ferredoxins, the number of sulfide bridges and cysteinyl ligands, respectively, are: · JUNE 2021

ABC26IN0920 · Which of the following statements for rubredoxin, A. F2+ center has a tetrahedral geometry. B. Reduced form of iron is diamagnetic. C. F2+… · JUNE 2021

ABC26IN0033 · Superoxide dismutase contains the metal ions · 2011

ABC26IN0852 · Superoxide dismutase contains the metal ions · DEC 2011

ABC26IN0865 · For the metalloprotein hemerythrin, the statement that NOT TRUE is · JUNE 2013

ABC26IN0887 · Match the metal given in Column-A with its medicinal use as a compound in Column-B Correct match is · JUNE 2016

ABC26IN0888 · Correct combination of number and size of rings present in a metal ion-porphine complex (including metal ion bearing chelate rings) is · JUNE 2016

ABC26IN0891 · The number of inorganic Sulphur (or sulphide) atoms present in the metalloprotein active sites ofrubredoxin, 2-iron ferredoxin and 4-iron… · DEC 2016

ABC26IN0898 · Consider the following statements for deoxy-hemerythrin and deoxy-hemocyanin: A. they are involved in O2 transport in biological systems B… · JUNE 2017

ABC26IN0902 · For the catalytic activity of Cu and Zn containing enzyme, superoxide dismutase. What is /are the correct statement (S)? (A) Cu and Zn both… · JUNE 2018

ABC26IN0906 · Match the items given below in the three columns: Correct matches: · DEC 2018

ABC26IN0907 · The metal transferred by bacteria and fungi using siderophores/siderochromes is · JUNE 2019

ABC26IN0911 · Choose the correct statements for oxymyoglobin and cytochrome P450 (resting state) from the following: A. Both contain dianion of… · DEC 2019

ABC26IN0914 · Match Column I, II and III The correct match is · DEC 2019

ABC26IN0854 · The reduction of nitrogen to ammonia, carried out by the enzyme nitrogenase, needs, · DEC 2011

ABC26IN0864 · The metal ions present in the active site of nitrogenase enzyme co-factor are · JUNE 2013

ABC26IN0875 · The number of histidine amino acid nitrogen atoms coordinated to bimetallic active site of oxyhemocyanin, and oxyhemerythrin, respectively… · DEC 2014

ABC26IN0035 · The oxidation state of iron in met-hemoglobin is · 2012

ABC26IN0857 · The oxidation state of iron in met-hemoglobin is · JUNE 2012

ABC26IN0862 · Fe2+-porphyrins fail to exhibit reversible oxygen transport and cannot differentiate CO from O2. However, the hemoglobin is free from both… · DEC 2012