
Test Peptit protein
Authored by Giang Nguyễn
Chemistry
12th Grade
Used 7+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Số liên kết peptit trong phân tử peptit Gly-Ala-Val-Gly là
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Chất nào sau đây là đipeptit?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Trong phân tử Ala-Gly, aminno axit đầu N chứa nhóm
NH2.
COOH.
NO2.
CHO.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Hợp chất nào sau đây thuộc loại đipeptit?
H2NCH2CONHCH2CONHCH2COOH.
H2NCH2CONHCH(CH3)COOH.
H2NCH2CH2CONHCH2CH2COOH.
H2NCH2CH2CONHCH2COOH.
Answer explanation
đipeptit: có 2 liên kết peptit (CO-NH)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Trong phân tử Gly-Ala, amino axit đầu C chứa nhóm
NO2.
NH2.
COOH.
CHO.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Chất nào sau đây là tripeptit?
Gly-Gly.
Gly-Ala.
Ala-Ala-Gly.
Ala-Gly.
Answer explanation
tripeptit: tạo bởi 3 amino axit (có 2 liên kết peptit)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Chất nào sau đây không phản ứng với NaOH trong dung dịch?
Gly-Ala.
Glyxin.
Metylamin.
Metyl fomat.
Answer explanation
amin có tính bazơ nên không phản ứng với NaOH
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