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What triggers endocytosis?
Endocytosis can be triggered by various factors, such as cell signaling molecules, hormones, growth factors, or binding of ligands to cell surface receptors. Additionally, changes in the extracellular environment or cellular stress can also induce endocytosis as a mechanism to regulate cellular processes.
Steroid hormones exert their action by?
steroid hormones can pass easily through the plasma membrane, the hormones then bind to intracellular receptors which induce a metabolic pathway which later promotes transcription of a specific gene.
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.
Does Allosteric regulation depends on inhibitors binding to the active site of enzymes?
No, allosteric regulation involves molecules binding to a site other than the active site (allosteric site) to either activate or inhibit enzyme activity. This type of regulation can involve activators or inhibitors that induce conformational changes in the enzyme, affecting its activity.
What is the role of prostaglandins in the function of the uterus?
Prostaglandins are hormones that play a key role in the contraction and relaxation of the muscles in the uterus. They help regulate the menstrual cycle, induce labor during childbirth, and control blood flow to the uterus.
What triggers endocytosis?
Endocytosis can be triggered by various factors, such as cell signaling molecules, hormones, growth factors, or binding of ligands to cell surface receptors. Additionally, changes in the extracellular environment or cellular stress can also induce endocytosis as a mechanism to regulate cellular processes.
How do nuclear receptor that do not bind to ligand activate transcription?
Nuclear receptors can be activated independently of ligand binding through mechanisms such as phosphorylation or interactions with other proteins. These modifications can induce conformational changes in the receptor, leading to its activation and subsequent regulation of gene transcription.
Why are some hormones transported in the blood bound to carrier proteins and in what form are these able to induce a biological effect?
Some hormones are transported in the blood bound to carrier proteins to increase their solubility, extend their half-life, and regulate their bioavailability. This binding helps protect the hormones from rapid degradation and allows for a more stable concentration in circulation. The biologically active form of these hormones is typically the free, unbound fraction, which can easily diffuse into target tissues and interact with specific receptors to induce a biological effect.
What hormones do doctors give women to induce labor?
Oxytocin
Which plant hormones induce axial growth in plants?
Auxins
The ability of conductor to induce voltage in itself when the current changes?
The ability of conductor to induce voltage in itself when the current changes is called inductive reactance.
Is it safe to induce labor when its your first pregnancy?
Yes. Most of the medications they use to induce are naturally occurring hormones in a women's body. Being induced shouldn't hinder any future pregnancies.
How can the allosteric site affect the active site?
The binding of a molecule at the allosteric site can induce a conformational change in the enzyme, affecting the active site's shape and activity. This can either increase or decrease the enzyme's affinity for its substrate, leading to changes in the enzyme's catalytic efficiency.
Steroid hormones exert their action by?
steroid hormones can pass easily through the plasma membrane, the hormones then bind to intracellular receptors which induce a metabolic pathway which later promotes transcription of a specific gene.
What does the secretion of stress hormones do?
Stress hormones induce following changes:Mobilize glucose from storage sites to working muscles.Shut down metabolic processes like digestion.Increase heart and breathing rate.Increase blood pressure.
How does an enzymes interact with a substance?
Enzymes interact with substrates by binding only with specific substrates. Enzymes will then alter the shape of the substrate in order to induce reaction.
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.
