Kelarutan dan Ektraksi Protein
Quiz
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Chemistry, Biology
•
University
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Practice Problem
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Medium
JAMES 201908520034
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Penyataan manakah yang paling benar mengenai kelarutan dan ekstraksi protein
Semakin tinggi kelarutan protein, absorbansi semakin tinggi dan ekstraksi protein meningkat
Semakin rendah kelarutan protein, asborbansi semakin tinggi dan ekstraksi protein menurun
Semakin rendah kelarutan protein, absorbansi semakin rendah dan ekstraksi protein meningkat
Semakin rendah kelarutan protein, absorbansi semakin rendah dan esktraksi protein menurun
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lengkapi pernyataan berikut:
Gugus … bersifat …sehingga dalam kondisi … akan membentuk …
Amina, asam, basa, NH3+
Karboksil, asam, basa, COOH
Amina, basa, asam, NH2
Karboksil, asam, basa, COO-
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Perhatikan table titik isoelektrik asam amino diatas ini.
Bila ditambahkan buffer dengan nilai pH 6, protein yang akan mengendap adalah protein yang banyak mengandung asam amino …
Alanin dan Glisin
Arginin dan Alanin
Asam glutamate dan glisin
Arginin dan Glisin
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada praktikum ini, garam apa yang digunakan untuk mempengaruhi kelarutan dan ekstraksi protein
Natrium Klorida
Ammonium Sulfat
Magnesium Sulfat
Kalium Sulfat
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pernyataan manakah yang paling tepat mengenai pengaruh konsentrasi garam terhadap protein?
Penambahan sedikit garam menyebabkan terjadinya salting in, dimana kelarutan protein akan meningkat dan esktraksi meningkat
Penambahan banyak garam menyebabkan terjadinya salting in, dimana kelarutan protein meningkat dan ekstraksi menurun
Penambahan banyak garam menyebabkan terjadinya salting out, dimana kelarutan protein menurun dan ekstraksi meningkat
Penambahan banyak garam menyebabkan terjadinya salting out, dimana kelarutan protein meningkat dan ekstraksi menurun
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan table diatas ini.
Penambahan garam dengan konsentrasi 75% menyebabkan terjadinya … sehingga … meningkat
salting in, kelarutan
salting out, kelarutan
salting in, ekstraksi
salting out, ektraksi
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Benar atau salah protein larut air jika ditambahkan pelarut non-polar yang miscible akan menyebabkan penurunan konstata dielektrik sehingga ekstraksi protein menurun?
Benar
Salah
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