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Who recognized different amino acid transport systems in yeast?

(a) Bilson

(b) Maurico

(c) Grenson

(d) Horak

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This key question is from Fermentation Biochemistry in division The Biochemistry of Fermentation of Fermentation Technology

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Correct answer is (d) Horak

Explanation: Horak in 1986 recognized 16 different amino acid transport systems in yeast. Of these 12 are constitutive and remaining are subject to regulation by the nitrogen sources present in the growth medium. This phenomenon is termed as nitrogen catabolic repression.

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