The polarity of water enables it to serve as a solvent for polar substances.
A polar substance is a substance that has a positive end and a negative end. Water itself is a polar substance and this polarity enables it to dissolve polar substances.
For instance, HCl dissolves in water because it is polar. The positive end of the dipole in HCl attaches to the negative end of the dipole in water and the negative end of the dipole in HCl attaches to the positive end of the dipole in water.
This dipole - dipole interaction accounts for the dissolution of HCl in water.
Also, ion - dipole interaction accounts for the dissolution of ionic substances such as NaCl in water.
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It’s important there’s molecules that could do so for keeping homeostasis, food movement, keeping the cell isotonic with movement of water, glucose to go into cell to not let it starve and waste to escape and not build up in cell
The 3 - carbon molecules formed in the light independent reactions of photosynthesis are important precursors to the main products of photosynthesis namely glucose, starch and cellulose. They are necessary for making these end products
The 3 - carbon molecules that are formed are:
1. 3- phosphoglycerate (3-PGA) - formed in the first stage of light independent reactions when a molecule of carbon dioxide gas is attached to a molecule of ribulose. The newly formed 6 -carbon sugar quickly breaks down into two identical 3 carbon molecules, 3 -PGA.
2. Glyceraldehyde 3 phosphate (G3P) - formed when one phosphate molecule is removed from 3 - PGA.
G3P is then used to make glucose, sucrose, starch, cellulose and other carbohydrates essential for the plant.
