
Kuis Radikal Bebas dan Antioksidan dan Stress oksidatif
Quiz
•
Health Sciences
•
University
•
Practice Problem
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Medium
Revi Naldi
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan radikal bebas?
Molekul stabil dengan pasangan elektron
Molekul dengan pasangan elektron yang berlebih
Molekul yang memiliki satu atau lebih elektron tidak berpasangan
Molekul yang hanya terdapat dalam organel mitokondria
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Contoh Reactive Oxygen Species (ROS) berikut adalah, kecuali:
Superoksida
Hidrogen peroksida
Nitrit
Radikal hidroksil
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Radikal bebas dapat menyebabkan kerusakan biomolekul berikut, kecuali:
Protein
Asam nukleat
Karbohidrat
Air
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi utama dari antioksidan?
Meningkatkan kadar oksigen bebas
Menstimulasi pembentukan ROS
Menstabilkan dan menginaktivasi radikal bebas
Menghancurkan sel yang rusak
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vitamin E (α-tocopherol) terutama bekerja pada:
Sitoplasma
Mitokondria
Membran sel
Inti sel
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enzim superoksida dismutase (SOD) berperan dalam:
Mengurangi kadar O₂ dalam darah
Mengubah superoksida menjadi H₂O₂ dan O₂
Menghancurkan lipid membran sel
Meningkatkan peroksidasi lipid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peroksidasi lipid terutama menyerang:
Asam amino aromatik
Asam lemak jenuh
Polyunsaturated fatty acids (PUFA)
Protein globular
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