Briefing & Learning Time

Briefing & Learning Time

Professional Development

10 Qs

quiz-placeholder

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Briefing & Learning Time

Briefing & Learning Time

Assessment

Quiz

Chemistry

Professional Development

Practice Problem

Easy

Created by

qc dbi

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Hubungan linear antara absorbansi dengan konsentrasi larutan disebut hukum?

Hukum Newton I

Hukum Lambert Beer

Kinetika Reaksi

Hukum Pascal

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

BCA Assay mengukur konsentrasi protein total dalam suatu sampel dengan cara

Protein mengoksidasi Cu+ menjadi Cu2+ dalam suasana asam membentuk senyawa kompleks stabil

Molekul BCA bereaksi dengan ion hidroksida membentuk senyawa alkaloid

Protein mereduksi Cu2+ menjadi Cu+ dalam suasana alkali membentuk senyawa kompleks stabil

Semua jawaban salah

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Panjang gelombang yang dipilih untuk analisis konsentrasi total protein menggunakan metode BCA Assay

280 nm

450 nm

562 nm

400 nm

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Pada laboratorium QC dilakukan pengujian pada suatu produk secretome menggunakan metode BCA Assay. Hasil menunjukkan konsentrasi protein dalam produk sebesar 870 ug/mL. Berdasarkan Analytical Suitability, apakah produk secretome tersebut dapat diterima?

Diterima

Ditolak

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Konsentrasi kurva standar dalam pengujian total protein content dengan BCA Assay antara lain

(100;150;200;250;300)ug/mL

(25;50;75;100;150) ug/mL

(200;300;400;500;600) ug/mL

6.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Analytical suitability untuk pengujian Total protein content menggunakan metode BCA Assay yaitu

Linearity of Standard Curve(R2) ≥ 0,98
Coefficient of Variation(%CV) ≤ 20%

Linearity of Standard Curve(R2) ≥ 0,95
Coefficient of Variation(%CV) ≤ 10%

Linearity of Standard Curve(R2) ≥ 0,95
Coefficient of Variation(%CV) ≤ 20%

Linearity of Standard Curve(R2) ≥ 0,98
Coefficient of Variation(%CV) ≤ 10%

7.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Reagent B dalam Pierce BCA Protein Assay Kit merupakan

Tembaga(II)Sulfat

Bicinchoninic Acid

Asam Karbonat

Tembaga Hidroksida

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