The biological molecules that transport other substances are the proteins.
<h3>What are proteins?</h3>
Proteins are biological macromolecules that contains nitrogen in their molecules and are the building block of a living organism.
The proteins perform the following functions:
- they transport other substances,
- provide structural support,
- cause the movement of muscles, and
- catalyze chemical reactions in living organisms.
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<span>E.) In a chemical reaction, the final amount of the products is determined by the "None of the above"
[ Depends on all physical conditions & chemical situation ]
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Answer:
4.852*10^23
Explanation:
Use dimensional analysis.
First turn grams to moles using the molar mass of Fe (you can't convert to atoms from grams).
Then turn moles into atoms using Avogadro's constant.
45g Fe/55.85 g/mol Fe*6.022*10^23 atoms Fe