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Explain how steroid and amine type hormones affect their target cells?
Wiki User
∙ 11y ago
it is secreted by the thyroid gland in small amounts and travels through the blood system and reaches the desired cells.
Wiki User
∙ 11y ago
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What is the difference between protein hormones and steroid hormones and how they communicate with their target cells?
Steroid hormones arelipid-soluble and can dissolve easily into the cell membrane of the target cell to connect with receptors. Protein hormones are water-soluble and connect with receptors at the membrane because it can't diffuse through the membrane.
What does the organs influenced by hormones are called?
They are the target organs. Hormones act on the target organs
A steroid hormone acts on a target cell by?
When receptors bind at the surface of a membrane, second messengers are released. This is how peptide hormones and catecholamines affect target organ cells.
Steroid hormones cannot pass through the plasma membranes of their target cells?
false-can
What are the structures that allow hormones to bind to their target cells?
Receptors allow hormones to bind to their target cells.
What is the difference between protein hormones and steroid hormones and how they communicate with their target cells?
Steroid hormones arelipid-soluble and can dissolve easily into the cell membrane of the target cell to connect with receptors. Protein hormones are water-soluble and connect with receptors at the membrane because it can't diffuse through the membrane.
What does the organs influenced by hormones are called?
They are the target organs. Hormones act on the target organs
How does a hormone identify its target?
Only target cells have receptors inside cytoplazm (for steroid hormones) or on cell membrane (for protein hormones) that make the hormone active.
A steroid hormone acts on a target cell by?
When receptors bind at the surface of a membrane, second messengers are released. This is how peptide hormones and catecholamines affect target organ cells.
Steroid hormones cannot pass through the plasma membranes of their target cells?
false-can
Where would steroid hormones most likely interact with their target cell?
In the nucleus.
What hormones can enter the target cell and bind to receptors in the nucleus?
steriod hormones - since they are lipophilic and fusses with the membrane to enter teh cell.
Thyroid hormone enters target cells in a manner similar to?
steroid hormones because both diffuse into target cell easily
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.
Hormones affect specific tissues called?
Hormones work by affecting Target Organs
Are target tissues close to the glands that affect them?
most endocrine hormones are circulating hormones not local hormones.
What is the difference between receptors for steroid hormones and Peptide hormone?
Peptide based hormones exert their effects on a cell by way of second messengers (cAMP or PIP) pathways. Steroid based hormones exert their effects on a target cell via direct gene activation.
