Cho các chất sau: X: H2N – CH2 – COOH Y: H3C – NH – CH2 – CH3. Z: C6H5 – CH(NH2) – COOH. G: HOOC – CH2 – CH(NH2) – COOH

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Cho các chất sau:

X: H₂N – CH₂ – COOH

Y: H₃C – NH – CH₂ – CH₃.

Z: C₆H₅ – CH(NH₂) – COOH.

G: HOOC – CH₂ – CH(NH₂) – COOH.

P: H₂N – CH₂ – CH₂ – CH₂ – CH(NH₂) – COOH.

T: CH₃ – CH₂ – COOH.

Những chất thuộc loại amino axit là:

X, Y, Z, T

X, Z, G, P

X, Z, T, P

X, Y, G, P.

Giải thích

Chọn B

X: H₂N – CH₂ – COOH

Z: C₆H₅ – CH(NH₂) – COOH

G: HOOC – CH₂ – CH(NH₂) – COOH.

P: H₂N – CH₂ – CH₂ – CH₂ – CH(NH₂) – COOH