
30 Multiple Choice Questions on Biomolecules
Authored by Khairunnisa Khairunnisa
Science
University
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kloroplas adalah organel yang dikelilingi oleh membran ganda. Membran dalam dikemas dalam bentuk:
Stroma
Tilakoid
Grana
Kristae
Vakuola
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pigmen fotosintetik yang ditemukan di membran tilakoid adalah:
Klorofil, karoten, dan antosianin
Klorofil, xantofil, dan melanin
Klorofil, karoten, dan xantofil
Karoten, antosianin, dan betalain
Xantofil, melanin, dan klorofil
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus kimia klorofil a adalah:
C55H72O5N4Mg
C55H72O6N4Mg
C55H70O5N4Mg
C54H72O5N4Mg
C55H72O4N4Mg
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perbedaan utama antara klorofil a dan klorofil b terletak pada:
Jumlah atom karbon
Jumlah atom oksigen
Jumlah atom nitrogen
Jumlah atom magnesium
Struktur cincin porfirin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam prosedur isolasi kloroplas, sampel sayuran digiling dengan buffer Tris-NaCl dingin. Tujuan penggunaan buffer dingin adalah:
Untuk mencegah denaturasi protein
Untuk mempertahankan aktivitas enzim
Untuk mencegah kerusakan pada membran kloroplas
Untuk mempertahankan pH optimal
Semua jawaban benar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pemintalan pertama dilakukan pada kecepatan 200 rpm selama 1 menit untuk:
Memisahkan kloroplas utuh
Memisahkan debris sel kasar
Memisahkan mitokondria
Memisahkan inti sel
Memisahkan ribosom
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus untuk menghitung jumlah kloroplas menggunakan hemocytometer adalah:
(∑5R x FP) / (0.25 x 10⁻⁶) ml
(∑5R x FP) / (0.5 x 10⁻⁶) ml
(∑5R) / (0.25 x 10⁻⁶) ml
(∑5R x FP) / (0.25 x 10⁻³) ml
(∑5R x FP) x (0.25 x 10⁻⁶) ml
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