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- 2.Explain the difference between steroid hormones and nonsteroid hormones in terms of their actions at target cells.1. Compare the synthesis, storage transport of location of receptors and cellular mechanism of action catecholamine, thyroid, peptide and steroid hormones.3. Complete the following table comparing steroid hormones to protein hormones Steroid Hormone Initial Binding Site (i.e. what it initially attaches to and where) Mechanism of Action Example (i.e. name one) Protein Hormone
- 3. Both the nervous system and the endocrine system work in parallel to maintain homeostasis around the body. Complete the table below comparing the two systems: Feature Tissue type Signal Signal pathway Nervous system Endocrine System Speed Duration Response Create a concept map to outline the relationship between the hypothalamus, the anterior and posterior pituitary, and their target organs. You should include the 9 hormones produced in the hypothalamus, 7 produced in the anterior pituitary gland and 2 secreted from the posterior pituitary gland. Note the stimuli for each secretion, the target tissue's response, and any feedback regulation.4.What determines plasma concentrations of specific hormones? What determines their effectiveness on target cells and tissues?10. Put the steps involved in generation and release of peptide hormones in the correct order: 1)cleavage into active hormone 2) transport into blood capillary 3)mRNA translation and preprohormone entrance into the ER 4) release signal into ECF 5)vesicular transport into Golgi apparatus 6)signal sequence peptide cleavage into prohormone
- 5. What is the difference between a tropic and nontropic hormone? Be able to describe the pathway of any hormone we discussed from origin to target cells. Be able to describe the function of any hormone we discussed.1. What is the general name given for the types of organs that produce hormones ? This is not and will not be graded1. List the commercially available juvenile hormone and where they are prepared from? 2. How much they are effective when use and how to collect those alternative forms from natural resources.
- 25. Which of the following is a critical factor for target cell activation by hormones? a. binding affinity between receptor and hormone b. number of receptors on target cell c. number of receptors in target cell d. b and c e. a, b, and c8. Which of the following is a second messenger signal? to. CAMP b. IP3 DAG d. G protein-coupled receptor and A, B, and C only 9. Which hormone interaction is correctly paired with its meaning? to. Synergistic effects: One hormone enhances the target organ's response to a second later hormone b. Permissive effects: One hormone opposes the action of another Permissive effects: Multiple hormones act together for greater effect d.Antagonistic effects: One hormone opposes the action of another Synergistic effects: One hormone opposes the action of anotherx9. If the concentration of a plasma carrier was diminished, what would this do to the half-life of a steroid? a. increase half-life b. decrease half-life c. no change d. it depends on the steroid 10. Put the steps involved in generation and release of peptide hormones in the correct order: 1)cleavage into active hormone 2) transport into blood capillary 3)mRNA translation and preprohormone entrance into the ER 4) release signal into ECF 5)vesicular transport into Golgi apparatus 6)signal sequence peptide cleavage into prohormone
