GATE CY topic:bioinorganic-chemistry PYQs & Answers — Page 2

Home
GATE
Chemistry
Topics
topic:bioinorganic-chemistry

Questions 11–19 of 19. Imported answers require independent review unless marked reviewed.

Topic practice 19 questionsPage 2 of 2

The correct statement(s) about the concentration of Na⁺ and K⁺ ions in animal cells is/are:

Your answerSelect all correct options. You can choose more than one.

[K⁺] inside the cell > [K⁺] outside the cell

[Na⁺] inside the cell > [Na⁺] outside the cell

[Na⁺] inside the cell < [Na⁺] outside the cell

[K⁺] inside the cell < [K⁺] outside the cell

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In oxyhemocyanin, the coordination number, mode of oxygen binding, color and the net magnetic behavior of copper ions, respectively are:

(Given: atomic number of Cu is 29)

Your answerChoose one option.

Four,

-O₂²⁻, colorless and paramagnetic.

Five,

-O₂²⁻, colorless and paramagnetic.

Five,

-O₂²⁻, blue and diamagnetic.

Four,

-O₂²⁻, blue and diamagnetic.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The following table lists the reaction/conversion catalyzed by metalloenzymes. The CORRECT combination is

Your answerChoose one option.

P-II; Q-I; R-III; S-IV

P-IV; Q-III; R-II; S-I

P-II; Q-III; R-IV; S-I

P-I; Q-IV; R-III; S-II

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the metalloproteins with their respective functions.

P — Ferritin; Q — Rubredoxin; R — Cobalamin; S — Carbonic anhydrase

I — Electron transfer; II — Acid-base catalysis; III — Metal storage; IV — Methyl transfer

Your answerChoose one option.

P – III; Q – II; R – I; S – IV

P – III; Q – I; R – IV; S – II

P – IV; Q – I; R – III; S – II

P – IV; Q – II; R – I; S – III

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The coordination geometries around the copper ion of plastocyan (a blue-copper protein) in oxidized and reduced form, respectively, are

Your answerChoose one option.

tetrahedral and square-planar

square-planar and tetrahedral

distorted tetrahedral for both

ideal tetrahedral for both

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

Your answerChoose one option.

superoxide and peroxide

superoxide and superoxide

peroxide and peroxide

superoxide and oxygen

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The ν

resonance Raman stretching frequency (in cm

) of the O

coordinated to iron centre in oxy-hemoglobin is nearly

Your answerChoose one option.

1100

850

1550

1950

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Under physiological conditions, the conversion of CO

to bicarbonate ion by carbonic anhydrase enzyme (MW = 30,000 g mol

) has a turnover number of

. The minimum amount of enzyme (in μg) required to convert 0.44 g of CO

to bicarbonate ions in 100 seconds is __________ (up to two decimal places)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The metal ion and the macrocyclic skeleton present in the green pigment of plants, respectively, are

Your answerChoose one option.

Mg(II) and chlorin

Mg(II) and corin

Mn(II) and chlorin

Mg(II) and porphine

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE CY topic:bioinorganic-chemistry PYQs

Question 43

Question 10

Question 38

Question 32

Question 13

Question 35

Question 13

Question 28

Question 43