Answer:
A cell is in equilibrium when solute concentrations inside and outside the cell are equal.
Explanation:
The equilibrium is state when the concentration of the system is same both inside and outside. There will be movement in the particles of the solute in which the cell is placed although its a equilibrium state. but the movement will not cause any further changes to the concentration of the solution because there will be movement of same and equal number of particle in the same direction. A cell in a human body cannot be in a equilibrium state because the human body requires a continuous and constant flow of materials into and out of the cell in order to keeps the metabolic pathways from attaining equilibrium so as to make the cell to do work throughout the life.
From the table, we can see that; 1 = beta; 2 = alpha, 3 = gamma. Option A
<h3>What is radiation?</h3>
Radiation is a form of energy that can not be seen. We know that beta radiation can be stopped by such things as a piece of cloth while alpha particles can be stopped by an aluminums foil. Also, gamma rays can only be stopped by thick concrete or lead.
Hence; we can conclude that; 1 = beta; 2 = alpha, 3 = gamma. Option A.
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C ,D,E the endocrine system uses chemical messengers / hormones compound that is produced in one tissue, released into circulation, then has an effect on a different organ ,it doesnt act alone but cooperate with nervous or other systems and then interact with other cells. Hormones are specific target cells
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Answer:
Beta-blockers are medications prescribed by physicians or mostly cardiologists who cater to individuals with heart-related issues. These issues include things that limit the ability of the heart to function properly and they include people suffering from heart attacks, high blood pressure and other illness that requires proper functioning of the heart.
However, Beta-blockers when administered slows the heartbeat per minute thereby reducing the amount of oxygen needed, but due to the way exercise raises the beat of the heart, oxygen pumped to the heart, it requires a well functioning heart to be able to meet up with the demand of the heart required for exercise. So, Beta-blockers already active in the bloodstream would affect cardiac output exposing the heart to further slow down this could result in dizziness has the heart couldn't handle the pressure required to pump more for an exercise.
Explanation:
A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.