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What do intracellular receptors do?
The intracellular receptors differ from membrane receptors based on their location. Membrane receptors are usually on the plasma membrane but the intracellular receptors are found inside the cell.
What type of receptors is within a cell?
Intracellular receptors. They are receptor proteins found on the inside of the cell, typically in the cytoplasm or nucleus
What is an example of a signal molecule that can bind to an intracellular receptor and thereby cause a gene to be turned on or off?
One example is the steroid hormone cortisol. Cortisol can diffuse across the cell membrane and bind to intracellular receptors called glucocorticoid receptors. This complex can then enter the nucleus and regulate the expression of specific genes, turning them on or off.
Hydrophobic signal molecules can interact with what intracellular receptors?
Hydrophobic signal molecules can interact with intracellular receptors, such as nuclear receptors and cytoplasmic receptors. These receptors are typically located inside the cell and can directly bind the hydrophobic signal molecules, leading to changes in gene expression and cellular function.
What hormone requires a G-protein?
G-protein coupled receptors (GPCRs) are the largest family of cell surface receptors, they mediate a response to a huge variety of signalling molecules (eg. hormones). A few examples of hormones that use GPCRs are; adrenalin, prostaglandins and glucagon.
What keeps intracellular receptors from binding to DNA before a hormone binds to the receptor?
chaperone proteins (chaperonins)
What do intracellular receptors do?
The intracellular receptors differ from membrane receptors based on their location. Membrane receptors are usually on the plasma membrane but the intracellular receptors are found inside the cell.
What type of receptors is within a cell?
Intracellular receptors. They are receptor proteins found on the inside of the cell, typically in the cytoplasm or nucleus
What is an example of a signal molecule that can bind to an intracellular receptor and thereby cause a gene to be turned on or off?
One example is the steroid hormone cortisol. Cortisol can diffuse across the cell membrane and bind to intracellular receptors called glucocorticoid receptors. This complex can then enter the nucleus and regulate the expression of specific genes, turning them on or off.
Where are hormone receptors for non- steroid hormone located?
where are receptors for non-steroid hormones located
What feature of target cells allows hormonal action?
Target cells have specific receptors on their surface that can bind to hormones. These receptors are typically highly specific, allowing the hormone to deliver its message only to cells that have the appropriate receptor. Once the hormone binds to the receptor, it triggers a series of intracellular events that ultimately lead to the desired cellular response.
Hydrophobic signal molecules can interact with what intracellular receptors?
Hydrophobic signal molecules can interact with intracellular receptors, such as nuclear receptors and cytoplasmic receptors. These receptors are typically located inside the cell and can directly bind the hydrophobic signal molecules, leading to changes in gene expression and cellular function.
What keeps intracellular receptors from binding to DNA?
chaperone proteins (chaperonins)
Which type of hormone receptor-plasma membrane bound or intracellular- would be expected to provide the most long lived response to hormone binding and why?
Intracellular receptor responses would be longer since they create a hormone-receptor complex which stimulates the production of mRNA, which then creates proteins. This complex must be degraded over time. Also, the entire process takes longer. Intracellular receptor responses would be longer since they create a hormone-receptor complex which stimulates the production of mRNA, which then creates proteins. This complex must be degraded over time. Also, the entire process takes longer.
Steroid hormones produce their effects in cells by?
disguising themselves as the male sex hormone, testosterone, which can cause mood swings and other side effects
What amino acid-based hormone uses the direct gene activation method?
The amino acid-based hormone that uses the direct gene activation method is thyroid hormone. Thyroid hormone can enter the cell and bind to intracellular receptors, which then directly affect gene expression by binding to specific DNA sequences, regulating the expression of target genes.
What water-soluble hormone would most likely bind to what membrane proteins?
Channel linked receptors bind to neurotransmitters. (also called ion channels and ligand gated ion channels) A ligand is the signal molecule i.e the neurotransmitter. Hormones bind to intracellular receptors because hormones are non polar and can cross the cell's plasma membrane. (also called cytoplasmic receptors)
