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Which of the choices below is not a factor required for target cell activation by hormone receptor interaction?
Protein synthesis is not a factor required for target cell activation by hormone receptor interaction. The essential factors include binding of the hormone to its receptor, conformational changes in the receptor, and activation of intracellular signaling pathways.
Why is the shape of hormone receptors so important in the human body?
The shape of hormone receptors is crucial because it determines the binding specificity between the hormone and the receptor. When a hormone attaches to its specific receptor, it triggers a signaling cascade that regulates various physiological processes in the body. The specific shape ensures that only the correct hormone can bind to the receptor, leading to a specific biological response.
What is a molecule such as a neurotransmitter or a hormone that binds to a receptor called?
A molecule such as a neurotransmitter or hormone that binds to a receptor is called a ligand. This binding triggers a biological response in the target cell, influencing its function.
A hormone must target cells that have a receptor for it?
Yes, in order for a hormone to exert its effects on a cell, the cell must have specific receptors that can recognize and bind to the hormone. Once the hormone binds to its receptor on the target cell, it triggers a series of cellular responses that lead to the hormone's desired effects.
What would happen if a hormone receptor did not bind to the right site?
I'm assuming you're asking what would happen if a receptor did not bind the proper hormone. The answer is a complex one because binding to a receptor does not necessarily mean that the receptor will be activated. Sometimes binding causes receptor inhibition; other times it can mean that the properties of the receptor change so that other hormones have an easier/harder time binding and activating it. But for the sake of giving an answer, let's say that we want to know what happens if a hormone binds and activates the wrong receptor. That answer is a relatively simple one: in most cases, the same events would take place that normally happen when the correct hormone binds the receptor. Let's take an example of a relatively uncommon cause of hypertension called hypertension exacerbated in pregnancy. In this condition, there's a mutation in the receptor for the hormone aldosterone that allows other hormones besides aldosterone (eg, progesterone) to bind it and activate it. When progesterone levels are high, as in pregnancy, the extra progesterone binds and heavily activates the aldosterone receptor, and the receptor essentially "thinks" that aldosterone has bound. So the action of progesterone at the aldosterone receptor are the same as aldosterone itself; since aldosterone is a major contributor to blood pressure, blood pressure increases to very high levels.
How is hormone specificity achieved?
each hormone receptor only binds to one hormone
What is found in or on a hormone's target cell?
Hormone receptor
Which of the choices below is not a factor required for target cell activation by hormone receptor interaction?
Protein synthesis is not a factor required for target cell activation by hormone receptor interaction. The essential factors include binding of the hormone to its receptor, conformational changes in the receptor, and activation of intracellular signaling pathways.
Is the responsiveness of cells to hormones determined by the presence or absence of specific hormone receptor proteins?
Yes, the responsiveness of cells to hormones is determined by the presence of specific hormone receptor proteins on the cell surface or inside the cell. When a hormone binds to its corresponding receptor, it triggers a cellular response. Cells without the specific receptor for a hormone are not able to respond to that hormone.
What hormone receptor is always bound to DNA even when the receptor is empty?
Thyroid
Which hormone receptor bounds to DNA even when the receptor is empty?
Thyroid hormose
What is the test for the presence of a hormone receptor on breast cancer cells?
Estrogen receptor assay
How many type of hormones and receptrs meet?
There are several different types of hormones and receptors that meet. The types are peptide hormone receptor, lipid-soluable hormone receptor, thyroid stimulating hormone, insulin hormone, leutinizing hormone, and many more.
What is most likely affected by a mutation in the DNA binding domain of a steroid hormone receptor?
The choices for this question were as follows:Conformational change of the receptorBinding of the hormone to the receptorTranslocation of the receptor to the nucleusCellular response to the hormoneThe answer is option 4.
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.
The area of an oestrogen receptor where molecules of oestradiol fit?
Hormone.
Why is the shape of hormone receptors so important in the human body?
The shape of hormone receptors is crucial because it determines the binding specificity between the hormone and the receptor. When a hormone attaches to its specific receptor, it triggers a signaling cascade that regulates various physiological processes in the body. The specific shape ensures that only the correct hormone can bind to the receptor, leading to a specific biological response.
