In response to low glucose levels in the blood, which hormone will be secreted t
ID: 101171 • Letter: I
Question
In response to low glucose levels in the blood, which hormone will be secreted to maintain homeostasis? Glucagon Insulin Oxytocin ADH Ghrelin In response to low calcium levels in the blood, which hormone will be secreted to maintain homeostasis? Glucagon TSH Calcitonin PTH Leptin How would a target cell recognize a hormone that is a hydrophilic protein? Receptor in the cytosol Receptor in the nucleus Receptor in the blood Receptor in the cell membrane None of the above Some human hormones are hydrophobic, steroid molecules. How would a target cell recognize these hormones? Receptor in the cytosol Receptor in the blood Receptor on the cell surface Receptor in the cell membrane None of the above What is stimulated by Parathyroid Hormone? Glucose Import Glucose Export Vitamin D Synthesis Calcium Excretion Appetite SuppressionExplanation / Answer
11. Glucagon : It is secreted by pancreas in response to low blood sugar blood and insulin is serated by pancreas in response to high blood sugar level .
12. PTH : The Parathyroid hormone is secreted by the parathyroid glands.
13. Receptor in the cell membrne : the neurotransmitters are hydrophilic molecules, they are failed to cross the plasma membrane of their target cells. Thus, in contrast to steroid hormones and NO or CO, the neurotransmitters act by binding to cell surface receptors i.e. cell membrane.
14. Receptor in the Cytosol : many receptors are intracellular proteins is founed in the cytosol or the nucleus. These intracellular receptors react to small hydrophobic signaling molecules that are successful to diffuse across the plasma membrane.
15. Calcium excretion : PTH stimulate calcium secretion.
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