calcium
No, exocytosis is actually the process by which materials are moved out of a cell. It involves the vesicle in which the materials are contained fusing with the cell membrane and releasing the contents outside the cell.
A species that enters an environment where it has not lived before is called an invasive species. These species can have a negative impact on the native ecosystem by outcompeting native species for resources and disrupting the balance of the ecosystem.
Methamphetamine (METH) increases the amount of dopamine released in synapses. Methamphetamine enters the neuron by passing directly through nerve cell membranes. It is carried to the nerve cell terminals by transporter molecules that normally carry dopamine or norepinephrine. In the nerve terminal, methamphetamine enters the dopamine- or norepinephrine-containing vesicles and causes the release of neurotransmitter. Methamphetamine also blocks the dopamine transporter from pumping dopamine back into the transmitting neuron.
The outer covering of a cell that controls what enters and leaves is called the cell membrane. It acts as a barrier to regulate the passage of molecules and ions in and out of the cell.
A substance which enters into a chemical reaction is called a reactant.In a chemical reaction-also called chemical change- one or more reactants (the initial substances that enter into the reaction) change into one or more products (the final substances that are present at the end of the reaction).
No, exocytosis is actually the process by which materials are moved out of a cell. It involves the vesicle in which the materials are contained fusing with the cell membrane and releasing the contents outside the cell.
Terminal
No, resistance of a wire depends only on its nature, length and area.(R=pL/A) . It is independent on whether the current leaves or enters the negative terminals. By the way, current always flows from negative terminal of battery to its positive terminal,conventional current is nothing. But this is beyond the scope of the question!
A person who enters by force without permission is commonly called a trespasser or an intruder.
Peak oil is the point in time when the maximum rate of global petroleum extraction is reached, after which the rate of production enters terminal decline.
Nicotine primarily affects the neurotransmitter acetylcholine. When nicotine enters the body through tobacco use, it binds to acetylcholine receptors in the brain, leading to increased release of other neurotransmitters like dopamine, which contributes to the pleasurable effects associated with smoking. Over time, chronic nicotine use can lead to changes in the brain's reward system, which can contribute to addiction and dependence.
The mouth
Peak oil is the point in time when the maximum rate of global petroleum extraction is reached, after which the rate of production enters terminal decline.
Food enters the stomach where acids break down the material. In the small intestine, the material has much more fluid and the body begins to move that fluid to the kidneys as further break-down occurs. By the time it reaches the large intestine, it becomes much more "formed". It passes through the colon, further through to the rectum where humans sense the pressure of a needed bowel movement. The BM then passes from the rectum and out the anus. Note that in diarrhea, changes occur in how much fluid can be drawn off and excreted via the urinary system. In profound diarrhea, the matter is mostly fluid mixed with some formed excrement.
Air from the nasal cavity enters the superior portion of the pharynx called the nasopharynx.
Customs is the name of the department that determines what enters and leaves the country
This is called a reactant.