
peptit-protein
Authored by Tòng Tòng
Chemistry
12th Grade
Used 3+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm -CO-NH- giữa 2 đơn vị a-amino axit gọi là
nhóm cacbonyl
nhóm amino axit
nhóm peptit
nhóm amit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
số đipeptit tối đa có thể tạo ra từ một hỗn hợp gồm alanin và glyxin là
3
1
2
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peptit có CTCT như sau: H2NCHCH3CONHCH2CONHCHCH(CH3)COOH. Tên gọi đúng của peptit trên là
Ala-Ala-Ala
Ala-Gly-Val
Gly-Ala-Gly
Gly-Val-Ala
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất sau đây có mấy liên kết peptit
H2N-CH2-CO-NH-CH(CH3)-CO-NH-CH2-CO-NH-CH(C6H5)-CH2-CO-HN-CH2-COOH
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thuốc thử được dùng để phân biệt Gly-Ala-Gly với Gly-Ala là
dung dịch NaOH
dung dịch NaCl
dung dịch HCl
Cu(OH)2/NaOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hiện tượng riêu cua nổi lên khi nấu canh cua là do
sự đông tụ
sự đông rắn
sự đông đặc
sự đông kết
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi thủy phân đến cùng protein đơn giản thu được
β-amino axit
Axit
Amin
∞-amino axit
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