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Target cells for a given hormone have the correct?
receptors on their surface that specifically bind to the hormone, triggering a signaling cascade within the cell. This cascade leads to specific cellular responses and effects in response to the hormone's presence.
What determines what cell a hormone will effect?
The target receptor proteins of cells will cause them to affected by a specific protein. These cells are also called "target" cells. Hormones flow via the bloodstream throughout the entire body, but they only affect their specific "target" cells.
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.
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 the definition of a target cell and why are all cells not considered target cells for all hormones?
A target cell is a specific cell that has receptors for a particular hormone, allowing it to respond to that hormone's signals. Not all cells are considered target cells for all hormones because each hormone is designed to interact with specific receptors on specific cells, leading to specific responses in the body. This specificity ensures that hormones only affect the cells that are meant to respond to them, maintaining the body's balance and regulation.
What is an example of a chemical messenger?
An example of a chemical messenger is a hormone, such as insulin or adrenaline, which is produced by glands in the body and travels through the bloodstream to target cells to regulate various physiological processes.
What is a target organ?
A target organ is an organ that is targeted by a drug or hormone. These drugs usually stimulate the organ to produce its own hormones or react positively and function in response to the drug, such as adrenaline to the heart.
Why is there a delay in the heart rate for 10 to 15 seconds after adrenaline has been produced before the heart rate increases?
Adrenaline is a hormone. Hormones are chemicals which travel via the blood stream to reach their targets. A hormone may have one or more than one targets. Since they are carried by the blood, the response (in this case the increased heart rate) is initiated when the blood carrying the hormone gets to the target cells, hence the delay.
What is the target organ of adrenalin?
the target organ for adrenaline is the epiglodis found in the mouth
Is adrenaline an active transport or an passive transport?
Actually adrenaline is a hormone that is secreted directly from the pancreas into the blood stream to the target organ, the liver and since there is no selectively permeable membrane it must be passive transport (diffusion).
Target cells for a given hormone have the correct?
receptors on their surface that specifically bind to the hormone, triggering a signaling cascade within the cell. This cascade leads to specific cellular responses and effects in response to the hormone's presence.
What determines what cell a hormone will effect?
The target receptor proteins of cells will cause them to affected by a specific protein. These cells are also called "target" cells. Hormones flow via the bloodstream throughout the entire body, but they only affect their specific "target" cells.
What is the target for ACTH?
ACTH means adrenocorticotrophic hormone. The target for this hormone is adrenal gland. It stimulate the gland to produce the corticosteroid hormone.
What is found in or on a hormone's target cell?
Hormone receptor
How does adrenaline travel from the gland that secreted it to the target cells that it affects?
The previous answer was wrong, adrenaline does not travel in the blood stream as it is an excepion to the usual hormones secreted from the endocrine system.
Which one is the main primary target tissue of Parathyroid hormone the kidney or bones?
The main primary target tissue of the Parathyroid hormone is the bone, but the kidneys are a target as well.
What type of structure would a hormone's target posses that other non-target organs would not?
Receptors for that hormone
