Latihan Soal Struktur Bakteri

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| By Paktohib
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Paktohib
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Quizzes Created: 1 | Total Attempts: 1,296
Questions: 6 | Attempts: 1,296

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Latihan Soal Struktur Bakteri - Quiz


Questions and Answers
  • 1. 

    Jika kamu punya sepiring nasi yang dibiarkan lama di udara terbuka, nasi akan menjadi lembek dan berlendir. Ini adalah kontaminasi oleh bakteri. Kondisi berlendir ini sesungguhnya disebabkan struktur bakteri bagian ....

    • A.

      Dinding sel

    • B.

      Kapsul

    • C.

      Fili

    • D.

      Flagella

    Correct Answer
    B. Kapsul
    Explanation
    The correct answer is "kapsul". The slimy and sticky texture of the rice is caused by the presence of a capsule or outer layer on the bacterial cell. The capsule helps the bacteria adhere to surfaces and protect them from the environment. In this case, the bacteria on the rice have contaminated it and caused it to become slimy and sticky.

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  • 2. 

    Bakteri gram positif dan gram negatif merupakan respon zat warna terhadap dinding bakteri terkait dengan ... dinding.

    • A.

      Ada-tidaknya

    • B.

      Asam-basanya

    • C.

      Tebal-tipisnya

    • D.

      Kasar-lembutnya

    Correct Answer
    C. Tebal-tipisnya
    Explanation
    Bakteri gram positif dan gram negatif mengacu pada perbedaan dalam tebal-tipisnya dinding sel bakteri. Bakteri gram positif memiliki dinding sel yang lebih tebal, sedangkan bakteri gram negatif memiliki dinding sel yang lebih tipis. Perbedaan ini mempengaruhi respon zat warna terhadap dinding bakteri saat dilakukan pewarnaan gram.

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  • 3. 

    Seperti organisme lain, untuk beraktivitas bakteri memerlukan energi. Bagian bakteri yang berfungsi menghasilkan energi adalah ....

    • A.

      Ribosom

    • B.

      Mitokondria

    • C.

      Mesosos

    • D.

      DNA

    Correct Answer
    C. Mesosos
    Explanation
    Mesosomes are invaginations of the plasma membrane that are found in bacteria. They play a crucial role in cellular respiration and energy production. Mesosomes contain enzymes involved in oxidative phosphorylation, which is the process by which bacteria generate ATP, the main source of energy for cellular activities. Therefore, mesosomes are responsible for producing energy in bacteria.

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  • 4. 

    Pada saat pembelahan, dua sel hasil pembelahan akan memiliki strutur (sifat) sama seperti induk sebelum membelah. Kemampuan ini diatur oleh bagian bakteri berupa ....

    • A.

      Dinding sel

    • B.

      Ribosom

    • C.

      Membran sel

    • D.

      Materi genetik (DNA)

    Correct Answer
    D. Materi genetik (DNA)
    Explanation
    During cell division, the two daughter cells will have the same genetic material (DNA) as the parent cell. This is because the DNA is replicated and distributed equally between the two daughter cells. The other options, such as cell wall, ribosomes, and cell membrane, do not carry the genetic information and therefore do not determine the similarity of the daughter cells to the parent cell after division.

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  • 5. 

    Bakteri parasit didalam tubuh inang memiiki kemampuan yang dalam menempel. Bagian yang berfungsi dalam penempelan adalah ....

    • A.

      Flagella

    • B.

      Fili

    • C.

      Dinding

    • D.

      Kapsul

    Correct Answer
    B. Fili
    Explanation
    Bakteri parasit memiliki kemampuan menempel yang kuat pada inangnya. Bagian yang berfungsi dalam penempelan ini adalah fili, yang merupakan serabut halus yang keluar dari permukaan bakteri dan membantu bakteri untuk menempel pada permukaan inang. Fili berperan dalam adhesi, yaitu kemampuan bakteri untuk menempel pada sel inang dan membentuk koloni.

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  • 6. 

    Jika berada pada lingkungan yang tidak menguntungkan bagi dirinya, bakteri akan membentuk struktur tubuhnya menjadi ________

    Correct Answer
    endospora
    Explanation
    When bacteria are in an unfavorable environment, they have the ability to form a structure called endospore. Endospores are a dormant and highly resistant form of bacteria that allows them to survive harsh conditions such as extreme temperatures, lack of nutrients, or exposure to harmful chemicals. This protective structure helps bacteria to remain dormant until conditions become favorable again, allowing them to resume their normal metabolic activities and reproduce.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 13, 2017
    Quiz Created by
    Paktohib
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