Cell Bio Study Guide

49 Questions | Total Attempts: 75

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Cell Quizzes & Trivia

Cell Bio #3 - Is radiation really safe? Hmmmm


Questions and Answers
  • 1. 
    Which of the following is the major function of the process of meiosis?
    • A. 

      Synthesize physical characteristics

    • B. 

      Reduce then number of chromosomes by half

    • C. 

      Increase the number of germ cells

    • D. 

      Synthesize proteins

  • 2. 
    The DNA macromolecule, the sequence of ________ determines the characteristics of every living thing.
    • A. 

      Sugars

    • B. 

      Phosphates

    • C. 

      Nitrogenous organic bases

    • D. 

      Hydrogen bonds

  • 3. 
    In the human cell, protein sunthesis occurs in which of the following locations?
    • A. 

      Nucleus

    • B. 

      Mitochondria

    • C. 

      Ribosomes

    • D. 

      Endoplasmic Reticulum

  • 4. 
    Which of the following is a process of reduction cell division
    • A. 

      Mitosis

    • B. 

      Meiosis

    • C. 

      Molecular synthesis

    • D. 

      Amnicentesis

  • 5. 
    Which of the following produces antibodies
    • A. 

      Erythrocytes

    • B. 

      Lymphocytes

    • C. 

      Thrombocytes

    • D. 

      Platelets

  • 6. 
    Which of the following cellular organelles function as cellular garbage disposals
    • A. 

      Endoplasmic reticulum

    • B. 

      Mitochondria

    • C. 

      Lysosomes

    • D. 

      Ribosomes

  • 7. 
    The nucleolus contains which of the following
    • A. 

      Centrosomes

    • B. 

      Ribonucleic acid

    • C. 

      Ribosomes

    • D. 

      Lysosomes

  • 8. 
    Radiation induced chromosomes damage may be evaluated during which of the following processes
    • A. 

      Prophase

    • B. 

      Metaphase

    • C. 

      Anaphase

    • D. 

      Telophase

  • 9. 
    THe cytoplasm makes up the bulk of the cell and containes a number of intracellular structures, which include:1. Endoplasmic reticulum 2. mitochondria3. ribosomes4. lysosomes
    • A. 

      1 and 2

    • B. 

      2 and 3

    • C. 

      3 and 4

    • D. 

      2, 3, and 4

    • E. 

      1, 2, 3, and 4

  • 10. 
    The process of reduction division of the Germ cells that reduces the number of chromosomes from 46 to 23 is termed:
    • A. 

      Organogensis

    • B. 

      Meiosis

    • C. 

      Mitosis

    • D. 

      Regeneration

  • 11. 
    The nucleic acid that serves as the command or control molecule for cell function is the:
    • A. 

      DNA

    • B. 

      RNA

    • C. 

      TRNA

    • D. 

      MRNA

  • 12. 
    _________are also called fat, serves as a thermal insulator, and as fuel for the body by providing energy stores.
    • A. 

      Water molecules

    • B. 

      Proteins

    • C. 

      Lipids

    • D. 

      Carbohydrates

  • 13. 
    If exposure to ionizing radiation damages the components involved in molecular synthesis beyond repair, cells do which of the following?
    • A. 

      Continues to funtion

    • B. 

      Functions abnormally or dies

    • C. 

      Repair themselves immediately because of enzymatic proteins they contain

    • D. 

      Reproduce themselves in pairs

  • 14. 
    Somatic cells divid through the process of
    • A. 

      Meiosis

    • B. 

      Mitosis

    • C. 

      Mapping

    • D. 

      Metabolism

  • 15. 
    Chemical secretions that are manufactured by various endocrine glands and carried by the blood stream to influence the activities or other parts of the body are termed.
    • A. 

      Amino acids

    • B. 

      Antibodies

    • C. 

      Hormones

    • D. 

      Disacchrides

  • 16. 
    DNA regulates cellular activity indirectly by reproducing itself in the form of ________to carry genetic information from the cell nucleus to ribosomes located in the cytoplasm.
    • A. 

      Messenger DNA

    • B. 

      Messenger RNA

    • C. 

      Messenger REM

    • D. 

      Transfer RNA

  • 17. 
    A radiation exposure to which of the following systems will most likely result in damage to the blood forming organs?
    • A. 

      Central nervous system

    • B. 

      Urinary system

    • C. 

      Biliary system

    • D. 

      Skeletal system

  • 18. 
    Genetic effects from the exposure to ionizing radiation occur as a result of radiation-induced damage to the DNA molecule in which of the following?1. sperm of an adult male2. ova of an adult female3. somatic cells of male and female adults
    • A. 

      1 only

    • B. 

      2 only

    • C. 

      3 only

    • D. 

      1 and 2

    • E. 

      1,2, and 3

  • 19. 
    If the human injury is not observable for many months or years, after radiation exposure, the radiation response (damage) is termed:
    • A. 

      Early effect of radiation

    • B. 

      Late effect of radiation

    • C. 

      Radiographic effect of radiation

    • D. 

      Unknown effect of radiation

  • 20. 
    Intestinal Crypt cells fall in the high radiosensitive category.  Which of the following cell types also fall in the high radiosensitive category?
    • A. 

      Spermatogonia

    • B. 

      Lymphocytes

    • C. 

      Oogonia

    • D. 

      B and c only

    • E. 

      A, b, and c

  • 21. 
    Ionizing radiation can adversly affect the cell.  Damage to the cell's nucleus reveals itself in which of the following ways?
    • A. 

      Instant death

    • B. 

      Reproductive death

    • C. 

      Chromosome breakage

    • D. 

      B and c

    • E. 

      A, b, and c

  • 22. 
    Radiation can induce genetic damage by which of the following means?
    • A. 

      Interacting with somatic cells of only one parent

    • B. 

      Interacting with somatic cells of both parents

    • C. 

      Altering the essential base cosing sequence of DNA

    • D. 

      None of the above

  • 23. 
    Radiation damage is observed on which of the following three levels
    • A. 

      Molecular, cellular, and inorganic

    • B. 

      Molecular, cellular, and organic

    • C. 

      Microscopic, molecular, and organic

    • D. 

      Organic, inorganic, and cellular

  • 24. 
    The average energy deposited per unit length of track through a medium is called:
    • A. 

      Relative biologic effectiveness

    • B. 

      Oxygen enhancement ratio

    • C. 

      Linear energy transfer

    • D. 

      Radiation energy effectiveness

  • 25. 
    The combined processes of ____and ____contribute to recovery from sublethal radiation damage.
    • A. 

      Repair and repopulation

    • B. 

      Repair and degeneration

    • C. 

      Repair and renovation

    • D. 

      Repair and Restoration

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