Endocrinology: Hormones and Cellular Coordination
20 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the meaning of the term 'endocrinology'?

  • The study of cellular communication networks
  • The study of protein encoding genes
  • The study of external secretions and glands
  • The study of internal secretions and glands (correct)

    • How many layers of signaling networks are involved in achieving homeostasis?

  • 4 layers
  • 3 layers (correct)
  • 1 layer
  • 2 layers

    • What is the nature of endocrine communication as described in the text?

  • All cells respond to the same type of signal
  • The response to a signal is consistent across cell types
  • Cells are exposed to many signals and respond with an integrated response (correct)
  • The signals are generated in all types of cells

    • How does the human adult coordinate about 50 trillion cells with less than 24000 protein encoding genes?

    <p>Through intricate chemical signaling networks</p> Signup and view all the answers

    What is the primary mechanism for transporting prohormones into the Golgi?

    <p>Vesicle transport</p> Signup and view all the answers

    How are hydrophilic hormones primarily stored in cells?

    <p>In secretory vesicles (granules) in the cytoplasm</p> Signup and view all the answers

    Which cellular structures mediate the movement of hydrophilic hormones to the cell membrane for release?

    <p>Microtubules (cytoskeleton) and microfilaments</p> Signup and view all the answers

    What is the primary control mechanism for the synthesis and secretion of hormones?

    <p>Neural inputs, hormonal stimulation/inhibition, and metabolic status</p> Signup and view all the answers

    Which type of hormones are synthesized from cholesterol?

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

    Where are some steroidogenic enzymes located?

    <p>Mitochondria and endoplasmic reticulum</p> Signup and view all the answers

    What is the precursor for eicosanoids?

    <p>Arachidonic acid</p> Signup and view all the answers

    Which chemical modification is involved in the synthesis of peptide hormones?

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

    In which organelles are some steroidogenic enzymes located?

    <p>Mitochondria and endoplasmic reticulum</p> Signup and view all the answers

    What is the main source of cholesterol for the synthesis of steroid hormones?

    <p>Circulatory LDL</p> Signup and view all the answers

    Which type of hormones have very low concentrations in the range of (ng/ml) or (pg/ml)?

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

    Where are eicosanoids derived from?

    <p>Arachidonic acid</p> Signup and view all the answers

    Which hormone affects mineral homeostasis?

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

    What is the precursor for steroid hormones?

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

    Where are peptide hormones synthesized?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

    Which molecule serves as a precursor for both eicosanoids and steroidogenesis?

    <p>Arachidonic acid</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser