Mutation and Repair - 01
Quiz
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Science
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University
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Easy
Liana sandikala
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apa perbedaan utama antara mutasi maju dan mutasi balik?
Mutasi maju memperbaiki kerusakan genetik, sedangkan mutasi balik menambah kerusakan
Mutasi maju hanya terjadi pada DNA, sedangkan mutasi balik pada RNA
Mutasi maju mengubah gen normal menjadi mutan, sedangkan mutasi balik mengembalikan gen mutan ke fungsi normal
Mutasi balik terjadi sebelum mutasi maju
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mutasi substitusi tidak selalu mengubah asam amino karena...
Substitusi menghasilkan kodon stop
Kodon yang berubah tetap menyandi asam amino yang sama (degenerasi kodon)
Substitusi terjadi di luar gen
Perubahan selalu menghasilkan urutan protein baru
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mutasi nonsense berbahaya karena...
Menggandakan bagian gen yang normal
Menghasilkan enzim aktif terus menerus
Mengubah kodon menjadi kodon stop prematur
Tidak berdampak sama sekali
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dimer timin yang disebabkan oleh sinar UV diperbaiki melalui mekanisme...
Base excision repair
Mismatch repair
Nucleotide excision repair
Proofreading
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Salah satu ciri khas dari perbaikan Non-Homologous End Joining adalah...
Memerlukan cetakan untai homolog
Menghasilkan protein fungsional baru
Menyambung langsung ujung DNA tanpa cetakan
engoreksi urutan berdasarkan RNA
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mutasi yang menyebabkan hilangnya sebagian kromosom disebut...
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika suatu organisme mengalami kerusakan DNA akibat radiasi UV dan tidak memiliki sistem nucleotide excision repair yang efektif, apa kemungkinan jangka panjang yang dapat terjadi?
Tidak ada dampak karena repair lain akan menggantikan
Aktivasi apoptosis secara otomatis
Akumulasi mutasi yang berpotensi menimbulkan kanker
Replikasi DNA menjadi lebih efisien
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