
UTS Biologi kelas XII
Quiz
•
Biology
•
12th Grade
•
Practice Problem
•
Hard
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45 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Berikut ini yang bukan sifat dari enzim adalah ...
Enzim diperlukan dalam jumlah banyak
Enzim hanya mengubah kecepatan reaksi
Enzim merupakan protein.
Enzim bekerja secara spesifik
Enzim bekerja secara bolak-balik(reversible)
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Enzim Amilase akan bekerja optimum pada pH ...
4
5
8,5
7,5
9
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Peningkatan laju reaksi dilakukan enzim melalui ....
penurunan energi aktivasi
energi aktivasi tidak mempengaruhi kerja enzim
peningkatan energi aktivasi
energi aktivasi meningkatkan kerja enzim
kerja enzim tidak ada hubungannya dengan energi aktivasi
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Enzim memiliki sisi aktif, yakni bagian atau tempat pada enzim yang berfungsi sebagai tempat menempelnya .......
protein
lemak
air
substrat
karbohidrat
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Berdasarkan gambar berikut menunjukkan mekanisme kerja enzim sesuai dengan teori kerja enzim yaitu ....
lock and key theori
induced fit theori
induced theori
induced and key theori
lock and induced theori
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Kesimpulan dari grafik tersebut adalah ....
enzim bekerja pada suhu optimum 00c
enzim bekerja pada suhu optimum 250c
enzim bekerja pada suhu optimum 400c
enzim bekerja pada suhu optimum 200c
enzim bekerja pada suhu optimum 600c
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Pernyataan yang tidak benar berikut ini adalah ....
Ph maksimal untuk enzim tripsin 3,5
setiap enzim memiliki pH optimal yang berbeda
Ph optimal untuk enzim pepsin 2
Ph maksimum untuk enzim tripsin 9
Ph optimal untuk enzim tripsin 8
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