
Pretest Uji Asam Nukleat
Quiz
•
Chemistry
•
University
•
Medium
aspraktikum kimor
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Asam nukleat terdiri atas?
Enzim dan protein
DNA dan RNA
Karbohidrat dan lipid
Hormon dan neurotransmitter
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
RNA memiliki satuan dasar berupa?
Asam amino
Gliserol
Nukleotida
Asam lemak
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Tujuan dari penggunaan deterjen dalam praktikum ini adalah untuk
Mengikat protein agar tidak larut
Menghilangkan warna hijau klorofil
Menghancurkan membran sel dan nukleus
Meningkatkan keasaman larutan ekstrak
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Fungsi garam dapur dalam campuran larutan ekstraksi adalah
Mengubah DNA menjadi protein
Membantu mengendapkan DNA dengan menetralisasi muatan negatif
Menguraikan kloroplas
Mencegah etanol menguap
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Mengapa larutan etanol 70% ditambahkan setelah penyaringan?
Untuk mengendapkan DNA sehingga terlihat sebagai lapisan
Untuk mensterilkan hasil ekstrak
Untuk melarutkan semua komponen organik
Untuk menghilangkan deterjen yang tersisa
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Fungsi utama ribosomal RNA (rRNA) adalah
Mengikat asam amino bebas
Menghantarkan impuls saraf
Sintesis protein di ribosom
Menyimpan energi dalam bentuk ATP
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Langkah terakhir dalam praktikum ini adalah
Memanaskan larutan untuk mempercepat reaksi
Menyimpan hasil dalam kulkas
Menambahkan lagi larutan garam
Mengambil lapisan DNA yang melayang dengan pengaduk
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