The FtsZ protein is produced by certain eukaryotic organelles, such as chloroplasts and mitochondria, and localizes to sites where these organelles divide. How is this finding consistent with current theories of the origin of eukaryotes? Select all that apply. • View Available Hint(s) O It suggests that FtsZ has different functions in prokaryotic versus eukaryotic cells. That bacteria, mitochondria, and chloroplasts have ribosomes is consistent with the endosymbiosis hypothesis. O It suggests that FtsZ evolved independently as eukaryotic and prokaryotic cells diverged. That bacteria, mitochondria, and chloroplasts have the same cytoskeletal proteins is consistent with the endosymbiosis hypothesis. O That bacteria, mitochondria, and chloroplasts have the same small circular chromosome is consistent with the endosymbiosis hypothesis.
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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