【AJ】評論
分辨蛋白質跟醣類還有脂肪是靠N吧???
【【站僕】摩檸Morning】評論
原本題目:20.____ The feature that chemically distinguishes protein from carbohydrate and fat is the presence ofin the structure. (A) carbon (B) chlorine (C) nitrogen (D) hydrogen (5) carboxyl groups修改成為20.____ The feature that chemically distinguishes protein from carbohydrate and fat is the presence ofin the structure. (A) carbon (B) chlorine (C) nitrogen (D) hydrogen (E) carboxyl groups