PBS 221: Biochemistry of Hormones and Hormonal Action Quiz
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Questions and Answers

What is the main role of hormones in the body?

  • Digesting food
  • Facilitating muscle growth
  • Regulating and coordinating physiological processes (correct)
  • Reducing metabolism
  • Where are hormones synthesized in the body?

  • Specialized cells within endocrine glands (correct)
  • Lymph nodes
  • Connective tissues
  • Muscles
  • What is the process of hormone synthesis primarily involved in?

  • Transcription and translation of genes (correct)
  • Photosynthesis
  • Cell division
  • Mitosis
  • What are prehormones or prohormones converted into to become biologically active?

    <p>Mature, active hormones</p> Signup and view all the answers

    What are some key aspects involved in the biochemistry of hormones and their actions?

    <p>Synthesis, secretion, transport, signal transduction</p> Signup and view all the answers

    In hormonal action, what process leads to the production of a specific response?

    <p>Signal transduction pathways</p> Signup and view all the answers

    What type of hormones circulate freely in the bloodstream and require specific receptors on target cells for transport?

    <p>Insulin</p> Signup and view all the answers

    What is the biologically active form of insulin after the removal of the central portion of the pro-insulin?

    <p>Preinsulin</p> Signup and view all the answers

    What regulates hormonal secretion by factors such as the body's internal feedback mechanisms and external stimuli like stress and light/dark cycles?

    <p>Various factors including feedback mechanisms and external stimuli</p> Signup and view all the answers

    How are lipid-soluble hormones like steroid hormones transported throughout the body?

    <p>Via carrier proteins</p> Signup and view all the answers

    What hormones are transported via the circulatory system in the body?

    <p>Water-soluble hormones</p> Signup and view all the answers

    What type of hormones are synthesized as prohormones like Preinsulin before being released in their biologically active form?

    <p>Peptide hormones</p> Signup and view all the answers

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