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  • Question
  • The C shape of the tracheal cartilages is important because


  • Options
  • A. divide the nasal cavity
  • B. Allows for expansion or contraction of the trachea
  • C. provide a surface for the sense of smell
  • D. All of the above

  • Correct Answer
  • Allows for expansion or contraction of the trachea 

    Explanation

    Allows for expansion or contraction of the trachea. Hence, so large masses of food can pass through the esophagus during swallowing.

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    Biology problems


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    • 1. Which is not a function of the cell membrane?

    • Options
    • A. helps substances pass from the cytoplasm into the nucleus
    • B. keeps materials within the cell separated from the environment outside the cell
    • C. helps control the movement of materials into and out of the cell
    • D. allows the cell to change shape under pressure
    • Discuss
    • 2. Succus Entericus is the name given to

    • Options
    • A. Intestinal juice
    • B. Appendix
    • C. A junction b/w ileum and large intestine
    • D. None of the above
    • Discuss
    • 3. Which is not a basic function of a cell?

    • Options
    • A. stopping homeostasis from happening
    • B. obtaining and storing energy
    • C. removing waste
    • D. transferring genetic information
    • Discuss
    • 4. What contributes to antigenic shift in influenza viruses?

    • Options
    • A. a segmented genome
    • B. different virus subtypes
    • C. Both A & B
    • D. ease of virus transmission
    • Discuss
    • 5. Where does protein synthesis take place?

    • Options
    • A. Nucleus
    • B. Ribosomes
    • C. On the cell wall
    • D. All of the above
    • Discuss
    • 6. Meiosis ii is similar to mitosis in that

    • Options
    • A. the daughter cells are diploid
    • B. sister chromatids separate during anaphase
    • C. DNA replicates before the division
    • D. All of the above
    • Discuss
    • 7. Which of the following is present in a prokaryotic cell?

    • Options
    • A. chloroplast
    • B. nucleoid
    • C. mitochondrion
    • D. nuclear envelope
    • Discuss
    • 8. Unlike eutherians, both monotremes and marsupials

    • Options
    • A. have some embryonic development outside the uterus
    • B. are found in Australia
    • C. lay eggs
    • D. lack nipples
    • Discuss
    • 9. The right ventricle transports oxygenated blood to the lungs.

    • Options
    • A. TRUE
    • B. FALSE
    • Discuss
    • 10. In ovaries, the final products of meiosis are

    • Options
    • A. haploid gametes
    • B. diploid gametes
    • C. Both A & B
    • D. None of the above
    • Discuss


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