
AMINOACID B
Authored by NGA LÊ
Chemistry
12th Grade
Used 1+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amino acid là hợp chất hữu cơ trong phân tử
chứa nhóm carboxyl và nhóm amino.
chỉ chứa nhóm amino.
chỉ chứa nhóm carboxyl.
chỉ chứa nitrogen hoặc carbon.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có chứa nguyên tố nitrogen trong phân tử?
Ethyl formate
Saccharose
Tristearin
Alanine.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong phân tử chất nào sau đây có chứa nhóm carboxyl (COOH)?
Methylamine.
Phenylamine.
aminoacetic acid.
Ethylamine.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amino acid có phân tử khối nhỏ nhất là
Glycine.
Alanine.
Valine.
Lysine.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amino acid X có phân tử khối bằng 75. Tên của X là
alanine.
glycine.
valine.
lysine.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất H2NCH2COOH có tên là
valine.
lysine.
alanine.
glycine.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alanine có công thức là
C6H5-NH2.
CH3-CH(NH2)-COOH.
H2N-CH2-COOH.
H2N-CH2-CH2-COOH.
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