Podcast
Questions and Answers
Endocrine System (2) Chemical Control 1 ______ or amino acid-derived hormone (first messenger)
Endocrine System (2) Chemical Control 1 ______ or amino acid-derived hormone (first messenger)
peptide
Hormone binds to a ______ on the plasma membrane of a target cell
Hormone binds to a ______ on the plasma membrane of a target cell
receptor
Hormone–receptor binding activates an ______ that catalyzes the synthesis of a second messenger, such as cyclic AMP
Hormone–receptor binding activates an ______ that catalyzes the synthesis of a second messenger, such as cyclic AMP
enzyme
Types of Hormones and Mechanism of chemical signaling: Hormones can be grouped into two types based on their ______
Types of Hormones and Mechanism of chemical signaling: Hormones can be grouped into two types based on their ______
The second messenger activates other ______
The second messenger activates other ______
Protein hormones are made of amino acids, either a single modified amino acid or a protein made of 3-200 amino acids, and are water soluble. – Steroid hormones are lipid hormones that the body makes from cholesterol and are ______ soluble.
Protein hormones are made of amino acids, either a single modified amino acid or a protein made of 3-200 amino acids, and are water soluble. – Steroid hormones are lipid hormones that the body makes from cholesterol and are ______ soluble.
A steroid ______ diffuses through the plasma membrane
A steroid ______ diffuses through the plasma membrane
Hormones can either be amino acid-based hormones or ______ hormones.
Hormones can either be amino acid-based hormones or ______ hormones.
Hypothalamus signals pituitary gland if conditions need to be ______.
Hypothalamus signals pituitary gland if conditions need to be ______.
Protein hormones: Bind to a receptor protein on the surface of the target cell which will trigger signal transduction ______.
Protein hormones: Bind to a receptor protein on the surface of the target cell which will trigger signal transduction ______.
The thalamus receives sensory information, relays some to the ______.
The thalamus receives sensory information, relays some to the ______.
To maintain the body’s homeostasis and respond appropriately to changes in the environment, hormone production and secretion must be tightly ______.
To maintain the body’s homeostasis and respond appropriately to changes in the environment, hormone production and secretion must be tightly ______.
For example, for many hormone systems, the hypothalamus secretes so-called releasing ______, which are transported via the blood to the pituitary gland.
For example, for many hormone systems, the hypothalamus secretes so-called releasing ______, which are transported via the blood to the pituitary gland.
A ______ feedback loop inhibits a response by reducing the initial stimulus.
A ______ feedback loop inhibits a response by reducing the initial stimulus.
Constant feedback from the target glands to the hypothalamus and pituitary gland ensures that the activity of the hormone system involved remains within appropriate ______.
Constant feedback from the target glands to the hypothalamus and pituitary gland ensures that the activity of the hormone system involved remains within appropriate ______.
Hormones are assembled into regulatory ______.
Hormones are assembled into regulatory ______.
What is the function of the second messenger in the chemical signaling process?
What is the function of the second messenger in the chemical signaling process?
How do protein hormones exert their effects on target cells?
How do protein hormones exert their effects on target cells?
What is the role of RNA polymerase in the mechanism of action of steroid hormones?
What is the role of RNA polymerase in the mechanism of action of steroid hormones?
How do steroid hormones enter the target cells to exert their effects?
How do steroid hormones enter the target cells to exert their effects?
What is the initial step in the activation of a peptide or amino acid-derived hormone in the chemical signaling process?
What is the initial step in the activation of a peptide or amino acid-derived hormone in the chemical signaling process?
How do steroid hormones influence gene expression in the target cells?
How do steroid hormones influence gene expression in the target cells?
What are the two main types of hormones?
What are the two main types of hormones?
How do protein hormones bind to target cells?
How do protein hormones bind to target cells?
What triggers the signal transduction pathway for steroid hormones?
What triggers the signal transduction pathway for steroid hormones?
What is the role of the hypothalamus in hormone regulation?
What is the role of the hypothalamus in hormone regulation?
How are hormone production and secretion controlled?
How are hormone production and secretion controlled?
What type of feedback loop inhibits a response by reducing the initial stimulus?
What type of feedback loop inhibits a response by reducing the initial stimulus?
What is the primary function of the posterior pituitary gland?
What is the primary function of the posterior pituitary gland?
How do hormones influence the organs targeted by the hormone cascade?
How do hormones influence the organs targeted by the hormone cascade?
What ensures that the activity of the hormone system remains within appropriate boundaries?
What ensures that the activity of the hormone system remains within appropriate boundaries?
How are releasing hormones transported to the pituitary gland?
How are releasing hormones transported to the pituitary gland?
