
Biologi A

Quiz
•
Science
•
University
•
Hard
Nico Darwandi
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Pada tahap glikolisis, molekul glukosa (C6) diubah menjadi dua molekul piruvat (C3). Berapa jumlah total ATP yang dihasilkan dan berapa jumlah ATP bersihnya?
2 ATP total, 2 ATP bersih
4 ATP total, 2 ATP bersih
2 ATP total, 4 ATP bersih
4 ATP total, 4 ATP bersih
6 ATP total, 4 ATP bersih
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Dalam glikolisis, enzim fosfofruktokinase (PFK) berperan penting sebagai enzim alosterik. Apa fungsi utamanya?
Mengubah glukosa menjadi glukosa-6-fosfat
Mengatur kecepatan glikolisis melalui kontrol umpan balik ATP
Mengoksidasi NADH menjadi NAD+
Mengubah piruvat menjadi asetil-KoA
Menghasilkan ATP melalui transfer fosfat substrat
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Produk utama dekarboksilasi oksidatif piruvat adalah:
Asetil-KoA, NAD+, dan CO₂
Asetil-KoA, NADH, dan CO₂
Asam laktat dan NAD+
OAA dan FADH₂
Gliseraldehida-3-fosfat
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Enzim kompleks piruvat dehidrogenase terletak di dalam:
Sitoplasma
Matriks mitokondria
Ruang antar membran mitokondria
Membran luar mitokondria
Membran dalam mitokondria
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Pada siklus Krebs, satu molekul asetil-KoA akan menghasilkan:
1 ATP, 1 NADH, 1 FADH₂, 2 CO₂
2 ATP, 2 NADH, 1 FADH₂, 1 CO₂
1 ATP (GTP), 3 NADH, 1 FADH₂, 2 CO₂
1 ATP (GTP), 2 NADH, 2 FADH₂, 2 CO₂
2 ATP, 3 NADH, 2 FADH₂, 3 CO₂
6.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Senyawa manakah berikut yang berperan sebagai akseptor awal dalam siklus Krebs untuk bergabung dengan asetil-KoA?
Succinyl-CoA
Oksaloasetat
α-ketoglutarat
Sitrat
Malat
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Dalam fosforilasi oksidatif, gradien proton terbentuk akibat:
Transfer elektron dari ATP ke ADP
Perpindahan proton dari sitoplasma ke nukleus
Perpindahan proton dari matriks ke ruang antar membran
Perpindahan proton dari ruang antar membran ke matriks
Fosforilasi substrat pada piruvat
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