Biology · Cell Structure and Function
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Protein constitutes what percentage of the total dry weight found in cells?
- A
50
- B
55
- C
40
- D
65
Proteins are crucial macromolecules in cells, involved in virtually every cellular process. They make up approximately 50% of the total dry weight of cells, making them the most abundant organic compounds. This percentage reflects their diverse functions, including acting as enzymes, structural components, and signaling molecules. Options B, C, and D are incorrect because they misrepresent the proportion of proteins in the cell's dry weight, which is around 50%.
This is the correct answer. Proteins make up approximately 50% of the total dry weight of cells, reflecting their essential role in cellular structure and function.
This option is incorrect. Although proteins are abundant, they constitute about 50% of the dry weight of cells, not 55%.
This option is incorrect. The percentage of proteins in the total dry weight of cells is higher, around 50%, indicating their significant presence in cells.
This option is incorrect. While proteins are vital, they account for about 50% of the dry weight of cells, not as much as 65%.
Tagged under Biology · Cell Structure and Function · 2021