Which of the following elements are present in all proteins? I. Carbon – McqOptions

MCQOPTIONS

1.	Which of the following elements are present in all proteins? I. Carbon II. Hydrogen III. Oxygen IV. Nitrogen Select the correct answer using the codes given below
A.	II and III
B.	I, II and IV
C.	I. Ill and IV
D.	All of these
Answer» E.

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