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Which phrase best describes the nucleus of any atom?
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2. Chemical Components of Cells
Small Molecules
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In a typical human cell, approximately what percentage of the cell’s mass is water?
A
About 30%
B
About 70%
C
About 95%
D
About 10%
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Understand that the problem is asking for the approximate percentage of water by mass in a typical human cell.
Recall that human cells are composed largely of water, which acts as a solvent and medium for biochemical reactions.
Remember that water typically makes up the majority of the mass in most cells, often around two-thirds to three-quarters of the total mass.
Use this biological knowledge to estimate that the percentage of water in a typical human cell is close to 70%.
Confirm that this estimate aligns with standard cell biology references stating that about 70% of a human cell's mass is water.
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