A group of students was asked to list some of the similarities and differences between prokaryotic cells and eukaryotic cells. They created the table shown below The students made a mistake in creating their table. Which statement best describe: their mistake? Comparison of Prokaryotic Cells and Eukaryotic Cells Similarities Differences DNA present in both nucleus present in eukaryotic cells only cytoplasm present in both membrane-bound organelles present in eukaryotic cells only ribosomes present in both plasma membrane present in eukaryotic cells only
Structure and Composition of Cell Membrane
Despite differences in structure and function, all living cells in multicellular organisms are surrounded by a cell membrane. Just like the outer layer of the skin separates the body from its environment similarly, the cell membrane, also known as 'plasma membrane,' separates the inner content from its exterior environment.
Cell Membrane
The cell membrane is known by different names like plasma membrane or cytoplasmic membrane, or biological membrane. The term "cell membrane" was first introduced by C. Nageli and C. Cramer in the year 1855. Later on, in 1931, the term "plasmalemma" for cell membrane was given by J. Plowe. The cell membrane separates the cell's internal environment from the extracellular space. This separation allows the protection of cells from their environment.
Prokaryotes vs Eukaryotes
The cell is defined as the basic structural and functional unit of life. The cell membrane bounds it. It is capable of independent existence.
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