Answer:
Yes, we can house dangerous slimes called biofilms in our bodies. They can cause severe infections anywhere in our bodies. They contain bacteria hidden and hibernating in a protective matrix. This makes them really difficult to treat.
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Blood flows through an artery that is partially blocked. as the blood moves from the wider region into the narrow region, alternately increases and then decreases.
<h3>What is the purpose of blood flow in heart?</h3>
The removal of positive charge by electrochemical gradients causes the membrane potential of the cell to shift more strongly in the direction of the equilibrium potential for potassium.
The membrane would become more negative as potassium permeability through the membrane increased. Given that potassium is a positively-charged ion and that the intracellular environment has a net negative charge, enhancing the membrane's permeability would result in a more negative membrane.
For instance, the amplitude of the potassium concentration gradient across the myocyte decreases as the external potassium level rises, lowering the resting membrane potential.
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Answer:
The correct answer is d the positive feed back reduces change in the the system
Explanation:
In an biochemical reaction when the released product stimulate the release and activation of the same product and act together to exibit their biological function, then this type of regulation is called positive feedback.
The positive feed back mechanism leads to increased change in the system that"s why it is named so.
For example during blood clotting platelets molecules are released to form clots to stop bleeding. one activated platelet can stimulates the activity of other platelets which then join together to form a group for generating further blood clots.
1) cells are the smallest units of life
2) living organisms are made up of cells
3) all cells come from existing cells
Los animales que se adaptan morfológicamente son tipos de pinnípedos que se adaptaron a sobrevivir en sus climas únicos, tales como Namibia Lobos marinos de Sellos de puerto (el desarrollo de sus rasgos físicos), otro es el tipo de aves, Finchs más nobibly que adaptó sus picos para comer ciertos alimentos o hacer ciertas tareas<span>.</span>