Hormones with Cytosolic Receptors
12 Questions
1 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 type of receptors do steroid hormones and some amino acid-derived hormones utilize?

  • Nuclear receptors
  • Intracellular receptors (correct)
  • Membrane-bound receptors
  • Extracellular receptors
  • Why do lipid-soluble hormones like steroids require carrier molecules when traveling in the body fluids?

  • To increase their solubility in water-based body fluids (correct)
  • To reduce their reactivity with other molecules
  • To facilitate transport through the hydrophilic environment
  • To allow them to pass easily through the plasma membrane
  • Where does the activated hormone-receptor complex with high DNA affinity typically enter to initiate changes in DNA transcription?

  • Nucleus (correct)
  • Ribosomes
  • Mitochondria
  • Endoplasmic reticulum
  • What region of DNA is thought to be targeted by the hormone-receptor complex during gene regulation?

    <p>Promoter region</p> Signup and view all the answers

    What is the primary function of steroid hormones in terms of gene regulation?

    <p>Control protein production</p> Signup and view all the answers

    How do steroid hormones exert their effects on genes within target cells?

    <p>By interacting with specific receptors in the cytoplasm</p> Signup and view all the answers

    What type of proteins are produced in response to hormones?

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

    Which invertebrates rely heavily on neuro-endocrine control systems?

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

    Which substance is secreted by the rest of a Hydra's body if its head is removed?

    <p>'Head activator'</p> Signup and view all the answers

    In nematodes, where are the neuro-endocrine secretory structures associated with their nervous systems?

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

    Why do some nematode worms need up to four moults of their cuticle?

    <p>To complete their life cycle</p> Signup and view all the answers

    What is the effect of the 'head activator' substance secreted by a Hydra?

    <p>Regenerates head region</p> Signup and view all the answers

    More Like This

    Hormones and Their Functions Quiz
    30 questions
    Classes of Hormones Flashcards
    11 questions

    Classes of Hormones Flashcards

    WellConnectedComputerArt avatar
    WellConnectedComputerArt
    Classes of Hormones Flashcards
    11 questions
    Hormones and the Endocrine System
    12 questions
    Use Quizgecko on...
    Browser
    Browser