Match the isoelectric point with the amino acids. · ABC26OR0793
Subject: Organic Chemistry · Chapter: Natural Products · Topic: Natural Products & – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium
Match the isoelectric point with the amino acids. | Amino acids | Isoelectric point |
|---|
| (X) $\mathrm{H_2NCH_2COOH}$ | (I) 9.5 |
| (Y) $\mathrm{HOOCCH_2CH_2CH(NH_2)COOH}$ | (II) 6.0 |
| (Z) $\mathrm{H_2N(CH_2)_4CH(NH_2)COOH}$ | (III) 3.1 |
(a)(X)-(II), (Y)-(III), (Z)-(I)
(b)(X)-(III), (Y)-(I), (Z)-(II)
(c)(X)-(I), (Y)-(II), (Z)-(III)
(d)(X)-(II), (Y)-(I), (Z)-(III)
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Glycine pI ≈ 6.0, glutamic acid ≈ 3.1, lysine ≈ 9.5 (a).
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