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They bond to receptor sites on their target cells to facilitate some reaction, depending on the hormone. For example, insulin is a protein hormone that bonds on receptor sites on muscle cells to allow the diffusion of glucose into the muscle cell. Without insulin, the cell membrane is impermeable to glucose, but the insulin bridge made when the hormone bonds with receptors on the muscle cell membrane allows for the glucose to pass through. This is called facilitated diffusion.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoBy binding to the plasma membrane receptors that generate a chemical signal inside the target cell
Wiki User
∙ 13y agoNon-steroid hormones act upon their target cells by causing the activation of adenylate cyclase
Wiki User
∙ 12y agothe activation of adenylate cyclase
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Hormones act at specific target organs because these organs contain what specific for the hormone?
target cells
Thyroid hormone is the only major lipophilic hormone that is not synthesized from cholesterol?
Thyroid hormone is actually synthesized from the amino acid tyrosine. It is produced in the thyroid gland by the addition of iodine to tyrosine molecules, and then combined to form the hormones T3 (triiodothyronine) and T4 (thyroxine). These hormones are released into the bloodstream and can act on target cells throughout the body.
What is the cell target of polymyxin B?
Its a broad spectrum antibiotic act on especially mycobacterium, gram negative cells
Does vitamin d act as a hormone?
Yes
What does the organs influenced by hormones are called?
They are the target organs. Hormones act on the target organs
Hormones act at specific target organs because these organs contain what specific for the hormone?
target cells
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.
What is a circulating hormone?
Most endocrine hormones are circulating hormones, they pass from the secretory cells that make them into interstitial fluid and then into the blood. circulating hormones are carried through the bloodstream to act on distant target cells. Paracrines act as neighboring cells, and autocrines act on the same cells that produced them.
What is the method that tropic and nontropic hormones produce response?
Tropic hormones stimulate endocrine glands to release another hormone which affects the target cells whereas non-tropic hormones act directly on the target cells.
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.
What hormone comes from the same gland and has the same target cell?
Hormone are always mention along side with enzyymes. And enzymes are specific in nature so too different hormone can never be produce by the same gland or act on two different target organs
Thyroid hormone is the only major lipophilic hormone that is not synthesized from cholesterol?
Thyroid hormone is actually synthesized from the amino acid tyrosine. It is produced in the thyroid gland by the addition of iodine to tyrosine molecules, and then combined to form the hormones T3 (triiodothyronine) and T4 (thyroxine). These hormones are released into the bloodstream and can act on target cells throughout the body.
How is a nerve message different from a hormone message?
Hormone messageA hormone message is a chemical, and a hormone affects target organs and a nerve message is an electrical impulse hormone travels through the blood. A hormone has long lasting effects. A hormone is secreted by a glandNerve messageA nerve message affects the receiver. A nerve message goes through a nerve and a nerve message has very short term effects. A nerve message is initiated by a response to an exterior alteration.
What is the cell target of polymyxin B?
Its a broad spectrum antibiotic act on especially mycobacterium, gram negative cells
How do hormones move around the body?
There is more than one type of hormone: autocrine hormones act on the cells that produce them. Paracrine hormones act on the cells nearby and get to them by diffusing through the fluid that bathes the cells. The most common hormone class is the endocrine hormones- these are secreted from cells and move into the nearby capillaries which carry blood. Once they are in the blood they can reach almost every tissue in the body just by flowing through the blood vessels.
What is hormone insulin in?
Pancrease secrete hormone insulin.It act in reducing glucose level.
Does vitamin d act as a hormone?
Yes
