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  • Question
  • The word, used for the small solid supports onto which are spotted hundreds of thousands of tiny drops of DNA that can be used to screen gene expression, is


  • Options
  • A. southern blot
  • B. cloning library
  • C. DNA microarrays
  • D. northern blot

  • Correct Answer
  • DNA microarrays 


  • Microbial Genetics problems


    Search Results


    • 1. Studies of similarities and differences among the genomes of multiple organisms is carried out in

    • Options
    • A. comparative genomics
    • B. proteomics
    • C. functional genomics
    • D. structural genomics
    • Discuss
    • 2. Proteomics is

    • Options
    • A. the study of algal genomes
    • B. a branch of quantum physics dealing with proteins
    • C. the study of formation of lipo-protein in animals
    • D. the study of the entire collection of proteins expressed by an organism
    • Discuss
    • 3. Why Deinococcus radiodurans is able to survive massive exposure to radiation?

    • Options
    • A. Because it produces a thick shell which acts as a shield from the radiation
    • B. Because it has unique DNA repair mechanisms
    • C. Because its cellwall contains radioactive elements
    • D. Because it has many copies of genes encoding DNA repair
    • Discuss
    • 4. Which of the following is concerned with the management and analysis of biological data using computers?

    • Options
    • A. Bio-physics
    • B. Bioinformatics
    • C. Genomics
    • D. Biomechanics
    • Discuss
    • 5. Which of the following organisms has the smallest genome?

    • Options
    • A. H. influenzae
    • B. M. genitalium
    • C. M. tuberculosis
    • D. None of these
    • Discuss
    • 6. The species of bacteria, which possesses 250 genes for lipid biosynthesis is

    • Options
    • A. M. genitalium
    • B. M. tuberculosis
    • C. E. coli
    • D. H. influenzae
    • Discuss
    • 7. In the time since E. coli and Salmonella diverged evolutionarily

    • Options
    • A. there has been little change in either genome
    • B. E. coli has acquired many genes via horizontal transfer
    • C. E, coli has lost approximately 50% of its genome
    • D. none of these
    • Discuss
    • 8. What is the range of minimum set of genes required for life?

    • Options
    • A. 50-100 genes
    • B. 250-350 genes
    • C. 1000-1500 genes
    • D. 1500-2000 genes
    • Discuss
    • 9. Which of the following theory is supported by the genomic sequence of the obligate intracellular parasite Rickettsia prowazekii?

    • Options
    • A. Parasitic bacteria have very large genomes
    • B. Parasites have a definite genomic sequence similar to viruses
    • C. Mitochondria have evolved from endosymbiotic bacteria
    • D. All bacteria evolved from viruses
    • Discuss
    • 10. Which type of genomics studies the transcripts and proteins expressed by a genome?

    • Options
    • A. Comparative genomics
    • B. Structural genomics
    • C. Proteo genomics
    • D. Functional genomics
    • Discuss


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