Cell Chemistry
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The first article I read in this section dealt with a few different things that go on inside of
a cell. One of the question is what would happen to a cell with a low supply of energy? There are
many processes of the cell that will stop working but the most crucial step that will stop is the
rebuilding of the macromolecules. The cells macromolecules are constantly breaking down and
needing to be rebuilt, if the cell doesnt have enough energy to do this process the cell will get
run down and it will die. An interesting fact about the macromolecules in cells is that different
cells break down there macromolecules at different rates, the enzymes in your red blood cells
break down every couple of hours while cells like DNA and the proteins of the lens of the eye
will last a very long time and rarely degrade. The degrading of these molecules allow the body
to clean out the harmful intruders in the cell and prepare for other demands that the cell has
placed upon it. Another question that was asked was why do hydrophobic proteins tend to be
found in cell membranes? The best way to put it is because they are comfortable there. This
is because of the fact that hydrophobic things do not like water and a cell membranes are made of
lipids, which are fats which also do not like water, and lipids are attracted to other lipids which puts these guys in the perfect place. Also because of hydrogen bonding, water tends to remove
itself from fatty molecules unless they are charged or polar. Non polar solute molecules are driven together mainly because of the fact that water bonds strongly to itself and not because of
fact that they have a high affinity for each other.Frank Orme
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December