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The pH range of tolerance for humans is well defined and very small for a number of reasons.
First, we must understand that all biological reactions in our body are carried out by biological catalysts called enzymes. These enzymes operate under specific pH and and temperature conditions. Deviation from these conditions will result in inefficiency of the enzymes' functions. This may be observed macroscopic-ally as poor digestion among other things.
Next, an equilibrium is necessary for the movement of CO2 in red blood cells. CO2 is kept in equilibrium in the form of carbonic acid. This equilibrium may be disturbed by the change in pH; resulting in a difficulty to breathe.
Other effects such as fatigue, headaches and nausea may also be observed as the blood circulates throughout your body and its functions will be impaired by the changed pH.
I don't know the given choices but I found an answer to the above question.
The answer is:
<span>No longer dividing cells of the mammalian brain. Post-mitotic cells will exit the cell cycle and will not contain cells in S phase.
</span>S-phase<span> -</span> part of the cell cycle in which DNA is replicated. Synthesis phase occur between G1 phase<span> and G</span>2 phase<span>.</span>
Answer:
The Galactic Center (or Galactic Centre) is the rotational center of the Milky Way galaxy; it is a supermassive black hole of 4.100 ± 0.034 million solar masses, which powers the compact radio source Sagittarius A*.
No todas las bacterias son perjudiciales los lactobacilos son bacterias que ayudan en la digestión
Answer:
D. As the ball moves down the stairs, the potential energy decreases because the height decreases and is transformed to kinetic energy
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