I belive this is false but im not sure. You should add more info. I cant tell what you are asking me.
If you add the amount of protons with the amount of neutrons, you get the atomic mass. Sodium has 11 protons, and 12 neutrons. 11+12=23
<span><span>B)
proteins
</span>Proteins are biological macromolecule and mostly composed of enzymes. In biochemical reactions, it is mostly triggered by enzymes. Enzymes are important components in the process that involves metabolism and digestive functions, further, most of these enzymes are proteins. </span><span>Proteins play a role in the physical make-up of a cell or acts as a cytoskeleton –maintains cell shape and figure. These proteins plays different roles and works with nucleic acids and other macromolecules in the cells including cell cycle, cell adhesion, immune response and cell indicators. <span>
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Answer:
D - Removes toxins and waste from the blood stream
The correct answer is C) only some survive because variation exists
