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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

Sulphur is present in

Options

  1. ACysteine and Methionine
  2. BFerredoxin and Coenzyme A
  3. CAll amino acids
  4. DBoth A and B

Correct answer

D. Both A and B

Step-by-step solution

Cysteine and Methionine are sulphur containing amino acids. Chemical formula of cysteine is C 3 H 7 N O 2 S . Chemical formula of Methionine is : C 5 H 11 N O 2 S . Ferrodoxin (Fd) is present in the chloroplast and brings about electron transfer in photosynthesis. It is iron-sulphur cluster. Coenzyme A is very important coenzyme in citric acid cycle as it brings about oxidation of pyruvate. Its chemical formula is ‎ C 21 H 36 N 7 O 16 P 3 S

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