The three major parts of a cell are _________.a. the nucleus, the nucleolus, and the nuclear envelopeb. the nucleus, the cytoplasm, and the cell membranec. the lysosomes, ribosomes, and vesiclesd. the endoplasmic reticulum, the Golgi apparatus, andribosomes
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.
The three major parts of a cell are _________.
a. the nucleus, the nucleolus, and the nuclear envelope
b. the nucleus, the cytoplasm, and the cell membrane
c. the lysosomes, ribosomes, and vesicles
d. the endoplasmic reticulum, the Golgi apparatus, and
ribosomes
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