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What hormone stimulates the synthesis of steroid hormones by the adrenal gland?
Adrenocorticotropic hormone (ACTH) stimulates the synthesis of steroid hormones by the adrenal gland. ACTH is produced by the pituitary gland and acts primarily on the adrenal cortex, promoting the production of glucocorticoids, mineralocorticoids, and androgens. This process is part of the body's response to stress and helps regulate metabolism, immune response, and blood pressure.
In circumstances where the body requires prolonged or increased levels of a hormone the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ?
Yes, this process is known as upregulation. When the body needs higher levels of a hormone for an extended period, the target cells can increase the number of receptors on their surface through gene expression to enhance sensitivity and response to the hormone. This allows the cells to better respond to the increased hormone levels to maintain homeostasis.
How can a hormone provoke a response in a cell?
A hormone provokes a response in a cell by binding to specific receptors on the cell surface or within the cell. This binding initiates a cascade of biochemical events, often involving second messengers, that alter cellular activities such as gene expression, metabolism, or ion channel activity. The specificity of the hormone-receptor interaction ensures that only target cells respond to the hormone, leading to a coordinated physiological response. This process exemplifies how signaling pathways regulate various functions in the body.
What does the LH hormone do?
LH(Leutenizing Hormone) hormone induces the process of spermatogenesis.
What is the process that changes liquid to gases?
Increased temperature (the application of heat), lower air pressure, and evaporation.
What is it called when a hormone is present in excessive levels the number of target cells receptors may decrease?
Downregulation is the process in which the number of target cell receptors decreases in response to excessive levels of a hormone. This can help maintain homeostasis by reducing the cell's sensitivity to high hormone levels.
When a gas changes to a liquid that process is called?
The process of a gas changing to a liquid is called condensation. This typically occurs when the gas is cooled or when pressure is increased.
What is the hormone responsible for leaf or fruit abscission?
The hormone responsible for leaf or fruit abscission is ethylene. Ethylene is a gaseous plant hormone that promotes the aging process and triggers the breakdown of cell walls in abscission zones, leading to the detachment of leaves and fruits. Its production increases in response to environmental cues such as aging, stress, and changes in light.
Insulin is the process of what?
Insulin is not a process it is an organic compound, a hormone.
What happens during positive feedback loop?
During positive feedback loop, e.g. a gland activates a hormone and the hormone in turn activates the gland. After the hormone knows that it is being activated by the gland, the hormone signals the gland to produce more of the hormone. This is positive feedback loop.
What hormone stimulates cells in the testes to produce testosterone?
Luteinizing hormone (LH) stimulates cells in the testes, specifically the Leydig cells, to produce testosterone. LH is released by the anterior pituitary gland in response to gonadotropin-releasing hormone (GnRH) from the hypothalamus. This process is crucial for the regulation of male reproductive functions and the development of secondary sexual characteristics.
What turns soft coal into when increased heat and pressure?
Soft coal, also known as lignite, transforms into harder forms of coal such as bituminous coal or anthracite when subjected to increased heat and pressure over millions of years. This process is known as coalification.
