Pretest Biomolecular Training Sci-i3l 2019

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| By Windy Lois
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Windy Lois
Community Contributor
Quizzes Created: 1 | Total Attempts: 105
Questions: 10 | Attempts: 105

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Pretest Biomolecular Training Sci-i3l 2019 - Quiz


Questions and Answers
  • 1. 

    Dogma Sentral Biologi adalah

    • A.

      ​​​​​​DNA -> Transkripsi -> RNA -> Translasi -> Protein

    • B.

      ​​​​​RNA -> Translasi -> DNA -> Translasi -> Protein

    • C.

      ​​​​​​DNA -> Translasi -> RNA -> Transkripsi -> Protein

    • D.

      ​​​​​​RNA -> Transkripsi -> DNA -> Translasi -> Protein

    Correct Answer
    A. ​​​​​​DNA -> Transkripsi -> RNA -> Translasi -> Protein
    Explanation
    The correct answer is "DNA -> Transkripsi -> RNA -> Translasi -> Protein." This sequence represents the central dogma of biology, which describes the flow of genetic information in cells. It states that DNA is transcribed into RNA through the process of transcription, and then the RNA is translated into proteins through the process of translation. This sequence accurately represents the steps involved in the central dogma and the order in which they occur.

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  • 2. 

    Pernyataan berikut yang benar mengenai DNA, RNA dan Protein, ialah:

    • A.

      ​​​​​​Struktur molekul dari DNA berupa utas tunggal

    • B.

      ​​​​​​Molekul gula penyusun RNA ialah deoxyribosa

    • C.

      Sintesis protein dalam sel, dibantu oleh tRNAs dan Ribosom

    • D.

      Basa nitrogen dari DNA terdiri dari purin (timin & sitosin) dan pirimidin (adenosin & guanin)

    Correct Answer
    C. Sintesis protein dalam sel, dibantu oleh tRNAs dan Ribosom
    Explanation
    The correct answer is that protein synthesis in cells is aided by tRNAs and ribosomes. This is true because tRNAs (transfer RNAs) are responsible for carrying specific amino acids to the ribosomes during protein synthesis. The ribosomes then use the information from the mRNA (messenger RNA) to assemble the amino acids into a polypeptide chain, which forms the basis of a protein. Therefore, tRNAs and ribosomes play crucial roles in the process of protein synthesis in cells.

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  • 3. 

    Kanker adalah penyakit…

    • A.

      Akibat mutasi gen dan epigenetik

    • B.

      ​​​​​​Penyebab mutasi genetik

    • C.

      ​​​​​​Yang tidak berhubungan dengan genetik

    • D.

      ​​​​​​Yang mudah disembuhkan

    Correct Answer
    A. Akibat mutasi gen dan epigenetik
    Explanation
    The correct answer is "Akibat mutasi gen dan epigenetik". This answer suggests that cancer is caused by genetic mutations and epigenetic changes. These changes in the genes and their regulation can lead to the uncontrolled growth and division of cells, which is characteristic of cancer. This explanation aligns with the current understanding of cancer development and the role of genetic and epigenetic alterations in its onset and progression.

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  • 4. 

    Paparan asap rokok termasuk dalam tahap inisiasi faktor terjadinya kanker karena

    • A.

      ​​​​​​Menimbulkan iritasi atau radang

    • B.

      ​​​​​​Menimbulkan mutasi DNA

    • C.

      Memicu proliferasi sel

    • D.

      ​​​​​​Penyebab utama kanker paru

    Correct Answer
    B. ​​​​​​Menimbulkan mutasi DNA
    Explanation
    The correct answer is "Menimbulkan mutasi DNA" because exposure to cigarette smoke can lead to mutations in DNA. Mutations in DNA are known to be one of the main factors that contribute to the development of cancer.

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  • 5. 

    Ciri-ciri Kanker adalah

    • A.

      ​​​​​​Tidak memerlukan sinyal pertumbuhan eksternal

    • B.

      Menghindari dari serangan daya tahan tubuh

    • C.

      Memicu lahirnya jaringan pembuluh darah baru

    • D.

      ​​​​​​Semuanya benar

    Correct Answer
    D. ​​​​​​Semuanya benar
    Explanation
    The given answer states that all of the characteristics mentioned in the options are true for cancer. This means that cancer does not require external growth signals, it can evade the body's immune system, and it can stimulate the growth of new blood vessels. Therefore, the correct answer is that all of these characteristics are true for cancer.

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  • 6. 

    Mutasi DNA adalah

    • A.

      Perubahan basa nukleotida

    • B.

      Variasi susunan basa

    • C.

      Perubahan nukleotida yang menimbulkan dampak klinis

    • D.

      ​​​​​​Perubahan basa nukleotida yang tidak berdampak klinis

    Correct Answer
    C. Perubahan nukleotida yang menimbulkan dampak klinis
    Explanation
    Mutasi DNA adalah perubahan nukleotida yang menimbulkan dampak klinis. Ini berarti bahwa mutasi tersebut mengakibatkan perubahan dalam susunan basa nukleotida yang dapat mempengaruhi fungsi normal dari gen atau protein yang terkait. Dampak klinis dapat berupa penyakit genetik, kelainan bawaan, atau risiko peningkatan terhadap penyakit tertentu.

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  • 7. 

    Nilai Prognostik suatu biomarker adalah

    • A.

      Kemampuan status biomarker untuk mendeteksi kanker

    • B.

      Kemampuan status biomarker untuk memperkirakan laju perkembangan kanker terlepas dari pengobatannya

    • C.

      Kemampuan status biomarker untuk memilih obat yang tepat

    • D.

      Kemampuan status biomarker untuk mendeteksi sisa kanker pasca pengobatan

    Correct Answer
    B. Kemampuan status biomarker untuk memperkirakan laju perkembangan kanker terlepas dari pengobatannya
    Explanation
    The correct answer is "Kemampuan status biomarker untuk memperkirakan laju perkembangan kanker terlepas dari pengobatannya." This answer suggests that the prognostic value of a biomarker is its ability to predict the rate of cancer progression regardless of treatment.

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  • 8. 

    Kanker berikut yang tidak termasuk dalam prevalensi 5 besar yang paling umum di Indonesia adalah

    • A.

      ​​​​​​Kanker Paru-paru

    • B.

      ​​​​​​​Kanker Payudara

    • C.

      Kanker Otak

    • D.

      ​​​​​​​Kanker Kolon

    Correct Answer
    C. Kanker Otak
    Explanation
    Kanker Otak tidak termasuk dalam prevalensi 5 besar kanker yang paling umum di Indonesia.

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  • 9. 

    Pernyataan berikut yang benar seputar amplifikasi DNA dan Polymerase Chain Reaction (PCR) adalah

    • A.

      PCR adalah teknik yang terbatas dalam biologi molekular

    • B.

      Suhu adalah hal yang tidak krusial dalam melakukan amplifikasi DNA dengan teknik PCR

    • C.

      Amplifkasi dengan PCR tidak terbatas hanya pada DNA namun juga dapat dilakukan pada RNA

    • D.

      ​​​​​​Teknik PCR dapat dilakukan tanpa bantuan primers

    Correct Answer
    C. Amplifkasi dengan PCR tidak terbatas hanya pada DNA namun juga dapat dilakukan pada RNA
    Explanation
    The correct answer is "Amplifkasi dengan PCR tidak terbatas hanya pada DNA namun juga dapat dilakukan pada RNA." This statement is true because PCR can be used to amplify both DNA and RNA. PCR is a technique that allows for the amplification of specific DNA or RNA sequences, making multiple copies of the target molecule. This amplification process is crucial in various applications, such as genetic research, diagnostics, and forensic analysis. Therefore, the statement accurately describes the capabilities of PCR in amplifying both DNA and RNA.

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  • 10. 

    Design Primer yang baik memiliki kriteria sebagai berikut

    • A.

      ​​Melting temperature (Tm) pada kisaran 50-65oC

    • B.

      Terdapatnya primer dimer

    • C.

      Berpeluang terjadi formasi hairpin

    • D.

      Terdapat situs penempelan sekunder

    Correct Answer
    A. ​​Melting temperature (Tm) pada kisaran 50-65oC
    Explanation
    A good Design Primer should have a melting temperature (Tm) within the range of 50-65oC.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 30, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 03, 2019
    Quiz Created by
    Windy Lois
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