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Ligand-gated channels are activated by binding of specific molecules (ligands) to the channel, while voltage-gated channels are activated by changes in the electrical potential across the cell membrane. Ligand-gated channels are regulated by the presence of ligands, while voltage-gated channels are regulated by changes in membrane potential.

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What are the implications on the human body of malfunctions n the homeostatic mechanisms?

Malfunctions in homeostatic mechanisms can disrupt the body's internal balance, leading to health issues. For example, if the body's temperature regulation system fails, it can result in fever or hypothermia. Similarly, disruptions in blood glucose regulation can lead to conditions like diabetes.


How is gene expression regulated in an organism?

Gene expression in an organism is regulated through a complex process involving various mechanisms. These mechanisms include transcriptional regulation, where certain genes are turned on or off, post-transcriptional regulation, where RNA molecules are modified or degraded, and translational regulation, where the production of proteins from RNA is controlled. Additionally, epigenetic modifications, such as DNA methylation and histone modifications, can also influence gene expression. Overall, the regulation of gene expression is crucial for the proper functioning and development of an organism.


List of biochemical events in the correct sequence?

Signal reception by receptor proteins on the cell membrane Activation of signaling cascades inside the cell Amplification of the signal through secondary messengers Regulation of gene expression or activation of specific cellular responses


What are two mechanisms of protein regulation in eukaryote cells?

Two mechanisms of protein regulation in eukaryotic cells are post-translational modifications, such as phosphorylation or glycosylation, that can alter protein activity, stability, or localization. Another mechanism is protein degradation through the ubiquitin-proteasome system, which targets proteins for degradation when they are tagged with ubiquitin.


How does the activation of protein kinase A affect the regulation of glycolysis?

When protein kinase A is activated, it can increase the rate of glycolysis by phosphorylating enzymes involved in the glycolytic pathway. This phosphorylation can lead to the activation of these enzymes, resulting in an overall stimulation of glycolysis and increased production of energy in the form of ATP.

Related Questions

What are mechanisms of homeostasis'?

The processes and activities that help to maintain homeostasis are referred to as homeostatic mechanisms. for example regulation of blood pressure, regulation of pH in the body fluids and regulation of blood glucose levels.


The regulation of heterotrimeric G-proteins is similar to the regulation of which one of the following processes?

The regulation of heterotrimeric G-proteins is similar to the regulation of signal transduction. Just like in signal transduction, the activation and deactivation of heterotrimeric G-proteins involve different regulatory mechanisms such as phosphorylation, nucleotide binding, and protein-protein interactions. Both processes play crucial roles in cellular signaling and control various physiological functions.


How does serotonin receptor down-regulation have an antidepressant effect if it results in a decrease in post-synaptic neuron activation?

The serotonin receptor down-regulation has an antidepressant effect if it results in a decrease in post-synaptic neuron activation by activation of the 5-HT receptors within the rostral ventrolateral medulla.


Why do you need to know about the 4 body regulation mechanisms?

Age care assessment


What is Cell regulation conducted by?

Cell regulation is conducted by a variety of mechanisms, including signaling pathways, gene expression regulation, and protein modifications such as phosphorylation. These mechanisms help ensure that cells respond appropriately to different internal and external cues to maintain homeostasis and carry out specific functions.


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.


What are three homeostasis mechanisms?

Three homeostasis mechanisms are temperature regulation through sweat production and shivering, blood sugar regulation through insulin and glucagon, and fluid balance through the release of hormones like aldosterone and antidiuretic hormone.


Can anyone explain the different mechanisms that contribute to the regulation of breathing?

Mechanisms that contribute to the regulation of breathing is a sensor / control center that can recognize the change in pH of the cerebrospinal fluid. Which affects the nervous system and chemical signals which are when carbon dioxide rises in the blood?


What four body regulation mechanisms should you know?

The four main body regulation mechanisms are thermoregulation (maintaining body temperature), osmoregulation (maintaining solute balance), glucose regulation (maintaining blood sugar levels), and hormonal regulation (maintaining homeostasis through the release of hormones).


What are the three primary mechanisms for controlling vessel radius?

The three primary mechanisms for controlling vessel radius are neural regulation (via sympathetic and parasympathetic nerves), local regulation (autoregulation in response to changes in local factors like oxygen levels), and hormonal regulation (via hormones like adrenaline and angiotensin II).


What are some types of regulatory mechanisms?

Feedback inhibition, allosteric regulation, and covalent modification are all examples of regulatory mechanisms that control enzyme activity in living organisms. These mechanisms help maintain homeostasis and ensure that metabolic pathways are operating efficiently.


What are the implications on the human body of malfunctions n the homeostatic mechanisms?

Malfunctions in homeostatic mechanisms can disrupt the body's internal balance, leading to health issues. For example, if the body's temperature regulation system fails, it can result in fever or hypothermia. Similarly, disruptions in blood glucose regulation can lead to conditions like diabetes.