TSH, LH, FSH are from the same hormone family. They are similar in that they - all contain 2
protein chains and the alpha-chain is each identical
Hormone binding/carrier proteins: - help solubilize hormones in blood, protect hormones from
being degraded by the liver, reduce concentration of free...
BMS 430 Final Exam
TSH, LH, FSH are from the same hormone family. They are similar in that they - all contain 2
protein chains and the alpha-chain is each identical
Hormone binding/carrier proteins: - help solubilize hormones in blood, protect hormones from
being degraded by the liver, reduce concentration of free hormone able to bind receptors
Synthesis of norepinephrine from tyrosine - requires enzymatic conversions
Phospholipase A2 would be activated - during the synthesis of prostaglandin
Insulin affects its target cell by the tyrosine kinase mechanism meaning - its receptor is the kinase
If stimulated at the same time, would a somatotroph or a luteal cell release its hormone first? -
Somatotroph
ELISA is used to determine the concentration of hormone in sample by - using two antibodies to
the hormone, one which is attached to a substrate and which is labeled
Anterior and posterior pituitary differ in that - only cells within the anterior pituitary synthesize
the hormones they release
TSH stimulates the thyroid to synthesize and release TH. If the thyroid is removed, TSH would -
increase
Main effect of oxytocin is - smooth muscle contraction
Which hormone would be elevated due to test anxiety? - ACTH
, Which hormone would be low due to test anxiety? - ADH
Dwarfism can be caused by - lack of GH, lack of GH receptor function, lack of IGH, lack of IGH
receptor function
Prolactin - is required to initiate lactation
A function of StAR is - carrying cholesterol from the cholesteryl-ester lipid droplet to the
mitochondria
FSH induces production and release of - inhibin
Clathrin coated pits are important in - removing membrane receptors from a target cell
membrane
Lipid rafts are important because - they are necessary for GPCR mechanism of action
Difference between RIA and RRA - the RRA measure only active hormone
Once thyroid hormone is clipped from thyroglobulin in the cytoplasm of a thyroid cell it - diffuses
out of the thyroid cell
Prostaglandin - can be produced by almost any cell in the body
The type of cell signaling where a hormone is released from one cell and affects a neighboring cell: -
paracrine
A prohormone - must be modified in someway, will bind to antibodies created against the active
hormone, is from a preprohormone, is converted to an active hormone in the ER, golgi, or secretory
vesicle
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