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Which of the following elements are present in all proteins ? I. Carbon II. Hydrogen III. Oxygen IV. Nitrogen Select the correct answer from the codes given below : Codes

Which of the following elements are present in all proteins ? I. Carbon II. Hydrogen III. Oxygen IV. Nitrogen Select the correct answer from the codes given below : Codes :

(a)

II and III

(b)

I, II and IV

(c)

I, III and IV

(d)

I, II, III and IV

Answer:

(d)

Explanation