Electrophoresis
Authored by Jecklyn Temartenan
Biology
University
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi utama dari DNA ladder pada gel elektroforesis agarose?
Mempercepat proses elektroforesis
Mengidentifikasi jenis DNA
Menentukan ukuran fragmen DNA dalam sampel
Membantu pencampuran sampel
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Gel agarose terutama digunakan untuk memisahkan molekul DNA berdasarkan perbedaan...
Ukuran
Warna
Sifat kimia
Muatan ion
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektroforesis gel agarose, molekul DNA bermigrasi menuju kutub...
Positif karena DNA bermuatan negatif
Negatif karena DNA bermuatan positif
Positif karena DNA bermuatan netral
Negatif karena DNA bermuatan netral
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pewarna apa yang umum digunakan untuk memvisualisasikan DNA pada gel agarose di bawah sinar UV?
Hematoksilin
Etidium bromida
Bromofenol biru
Methylene blue
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi dari buffer dalam elektroforesis gel agarose adalah...
Membantu sampel bermigrasi dalam gel
Mengubah warna DNA
Memperbesar ukuran DNA
Menurunkan berat molekul DNA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika sebuah fragmen DNA lebih kecil, maka dalam gel agarose, fragmen tersebut akan...
Bermigrasi lebih lambat
Tetap di dekat sumur (well)
Bermigrasi lebih cepat
Menghilang dari gel
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang mungkin menyebabkan pita DNA terlihat kabur atau menyebar (smear) pada gel?
DNA terlalu murni
Konsentrasi gel terlalu tinggi
DNA terdegradasi atau ada kontaminasi
Tidak ada pewarna dalam gel
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