
rtPCR
Quiz
•
Biology
•
University
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah perbedaan antara PCR real-time dengan PCR konvensional?
PCR real-time lebih lambat
PCR real-time hanya menggunakan DNA sebagai target
PCR real-time mengukur amplifikasi DNA secara langsung saat proses berlangsung
PCR real-time hanya menghasilkan RNA
PCR real-time tidak memerlukan enzim Taq polymerase
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi dari zat fluoresen dalam PCR real-time?
Menstabilkan DNA
Menghentikan reaksi PCR
Menunjukkan jumlah produk DNA yang terbentuk
Mengaktifkan enzim Taq polymerase
Menghambat amplifikasi DNA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada metode PCR real-time, dye yang umum digunakan untuk mendeteksi produk DNA adalah...
SYBR Green
Coomassie Blue
Crystal Violet
Eosin
Safranin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada PCR real-time, apa fungsi probes spesifik seperti TaqMan?
Menurunkan suhu annealing
Menghambat proses amplifikasi
Menghasilkan sinyal fluoresen hanya saat terjadi amplifikasi spesifik
Menambah kecepatan reaksi enzim
Memisahkan dua rantai DNA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metode PCR real-time yang menggunakan SYBR Green bekerja dengan cara...
Mengikat dNTP
Menghambat enzim polymerase
Mengikat DNA untaiganda dan memancarkan fluoresensi
Menghambat denaturasi DNA
Mengubah primer menjadi fluoresen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa kegunaan 'threshold cycle' (Ct) dalam PCR real-time?
Mengukur suhu denaturasi
Menentukan jumlah dNTP yang diperlukan
Menentukan jumlah awal DNA atau RNA target
Memperkirakan ukuran produk PCR
Mengukur konsentrasi buffer dalam reaksi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada PCR real-time, semakin rendah nilai Ct berarti...
Konsentrasi target DNA lebih tinggi
Konsentrasi target DNA lebih rendah
Suhu annealing lebih tinggi
Tidak ada amplifikasi yang terjadi
Waktu reaksi PCR lebih lama
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