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What is the state a substance is in when the concentration of the substance is the same on both sides of a cell membrane?
isotonic
Can a registered nurse write a prescription for a control substance?
These nurses can but it depends on state regulations.
What is the situation like prior to an action potential?
Prior to an action potential, a neuron is in a resting state with a negative membrane potential due to the uneven distribution of ions across its cell membrane. This resting state is maintained by ion channels that selectively allow the passage of specific ions.
How would you describe the state of equlibrium?
The state of equilibrium exists where the concentration of a substance is able to become even on both sides of a barrier, which is usually some semi permeable membrane.
State one possible reason a certain substance can not pass across a cell membrane?
The cell membrane is selectively permeable. Some substances like molecules are too big to pass through the membrane. The membrane allows passive transport of moleculesÊ by filtration, diffusion, or osmosis.
How do cells control osimsis?
osmossis is the movement of water molecules through a state of high concentration to a state of low concentration through a semi-permeable membrane
What cell component controls entry and exit of materials into and out of the cell and state how it controls this?
The cell membrane, or plasma membrane, controls the entry and exit of materials into and out of the cell. This is done through selective permeability, which allows the membrane to regulate the passage of substances based on factors such as size, charge, and solubility. Transport proteins embedded in the membrane also play a key role in facilitating the movement of specific molecules across the membrane.
What is the central issue involved in the passage of state laws allowing the medical use of marijuana?
Because marijuana is considered as a schedule controlled substance. It is highly potent and addictive which has a potential for abuse.
What is the city analogy for a nuclear membrane?
The city analogy for a nuclear membrane is like a security wall around a city. Just as a security wall protects the city by controlling what enters and exits, the nuclear membrane surrounds the nucleus of a cell and regulates the passage of molecules in and out of the nucleus to maintain cellular function and integrity.
What do the state have to prove to charge a person for possession of a control substance?
Commonwealth must prove three things beyond a reasonable doubt: First: That the substance in question is a controlled substance Second: That the defendant possessed some perceptible amount of that substance Third: That the defendant did so knowingly or intentionally.
In the volume of a substance in the gaseous state is 1000 times the volume of that substance in the liquid state how much space would ml of that substance in the liquid state take up if it evaporate?
If the volume of the substance in the gaseous state is 1000 times the volume of the substance in the liquid state, this means that 1 ml of the substance in the liquid state would occupy 0.001 ml when it evaporates into a gas.
State one possible reason a certain substance cannot pass across a cellmembrane?
One possible reason behind the inability of a certain substances to pass across a cell membrane is molecule size.
