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Hormones act at specific target organs because these organs contain what specific for the hormone?
Wiki User
∙ 13y ago
target cells
Wiki User
∙ 13y ago
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Why target cell respond to the hormone while others are uneffected?
Target cells respond to hormones because they have specific receptors for the hormone on their cell membrane or inside the cell. These receptors enable the hormone to bind and initiate a cellular response. Other cells that do not have the specific receptors for that hormone are unaffected because they cannot bind to the hormone or activate the necessary signaling pathways.
Is the responsiveness of cells to hormones determined by the presence or absence of specific hormone receptor proteins?
True
What is a inadequate production of hormones?
Production of hormone is usually "hormone specific " therefore inadequacy is determined by which hormone is not produced. Often the prefix hypo- is used. I.e hypothyroidism-no/reduced secretion of thyroid hormones. Hypoparathyroidism- abnormally low rate of PTH, and lastly hyposecretion ( chronic adrenocortical insufficiency)
Are hormones proteins or steroids?
Hormones can be proteins or steroids. Insulin and ACTH (adrenocorticotropic hormone) are proteins that are hormones, which are produced in the pancreas and the anterior pituitary gland, respectively. The hormones estrogen and testosterone are two examples of steroids that are hormones produced in the ovaries and testes, respectively.
What hormones are secreted and released ino the blood by?
Hormones in general are produced by glands. There are different kinds of hormones in your body released by different glands. An example is insulin. This specific hormone is released by your pancreas when your blood glucose goes up in order to bring it back to normal again. If your body does not produce this hormone then this means that you are diabetic.
What element thyroid hormone contain?
Thyroid hormones contain the element: IODINE
Why do hormones affect some organs but not others?
Because hormones have specific hormone binding sites to act
What hormone do contraceptives contain?
Contraceptives contain two hormones, estrogen and progestin or progestin only.
Which hormone affect only certain cells?
Because they only activate target cells that have special receptors that only work when that specific hormone attaches to it.
Are hormones target molecules or signal molecules?
Hormones affect target cells because target cells have receptors that bind with certain hormones (they're specific). If a cell does not have a receptor then it is not affected by hormones. Target cells (which do have the receptor for a particular hormone) would be affected by the hormone.
Do hormones stimulate orinhibit growth?
Both. It depends on the specific hormone in question.
Why target cell respond to the hormone while others are uneffected?
Target cells respond to hormones because they have specific receptors for the hormone on their cell membrane or inside the cell. These receptors enable the hormone to bind and initiate a cellular response. Other cells that do not have the specific receptors for that hormone are unaffected because they cannot bind to the hormone or activate the necessary signaling pathways.
Why do hormones cause changes only in specific body organ?
Because most hormones are very specific and are secreted for certain processes. However not all of them are so specific as far as organ function, take GH or the growth hormone secreted by the adenohypophysis (anterior pituitary), this hormone is involved with growth of bone and muscle all over your body. Also, even if hormones are specific to what they cause, those causes all trigger and affect other things within our bodies.
What hormones is called personality hormone?
because they have different personalities
What is specific function of t3 thyroid hormone?
T3 and T4 hormones regulate the metabolism, protein synthesis and sensitivity to other hormones in the body.
Is the responsiveness of cells to hormones determined by the presence or absence of specific hormone receptor proteins?
True
Why does hormone act only on specific cell types in a organism and not others?
Hormones can only be detected by cells that have the specific receptor which binds to the hormone. This means that the hormone only acts on the cells with its receptor and the other cells do not respond.
