Some Insteresting Biology Questions

  • Catabolic Process

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    Which of the following is an example of a naturally occurring catabolic process?

    A. DNA replication

    B. photosynthesis

    C. cellular respiration

    D. protein synthesis

     

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  • Cell Death

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    Which of the following is sometimes referred “programmed cell death” because it leads to an organized destruction of the cell?

    A. Cellular senescence

    C. Necrosis

    D. Immortalization

    E. Telophase

     

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  • Signals

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    What process is described by an animal’s ability to involuntarily contract a skeletal muscle without receiving a direct signal from the brain?

    A. Depolarization

    B. Reflex Arc

    C. Metabolism

    D. Redirection

     

    The answer is here.

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  • Bryophytes

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    Which of the following would be an example of a bryophyte?

    A. Ferns

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  • Epidermis

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    Which layer of the epidermis is the characterized by a low rate of mitosis and a high concentration of keratin?

     

     

     

     

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  • Fine Touch Differentiation

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    The epidermis is the outermost layer of the integumentary system and is comprised of four types of cells. Which of the cell types is associated with fine-touch differentiation necessary for detecting shapes and texture?

    A. Fibroblasts.

    B. Keratinocytes.

    C. Langerhans’ cells.

    D. Melanocytes.

    E. Merkel cells.

     

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  • Early Gases

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    According to scientists, Oparin and Haldane, which of the following gases were present in the primitive atmosphere?

     

    A. CH4, NH3, H2, H2O

    B. CO2, NH3, H2, H2O

    C. N2, O2, H2, H2O

    D. CH4, NH3, O2, H2O

     

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  • Trypsin

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    Trypsin is a proteolytic enzyme secreted by the pancreas in an inactive form (trypsinogen). Trypsinogen can be converted to trypsin by the action of:

     

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  • Enzyme Question

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    Enzymes are one of the key proteins in cells and facilitate chemical reactions. How does a typical enzyme catalyze a chemical reaction?


     

     

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    Answer 

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