Cell Structure and Function Match the following organelles to their descriptions 1. 2. 3. 4. 5. cell wall 8. endoplasmic reticulum ribosome 9. central vacuole 6. chloroplasts cell membrane 7. nucleus Golgi apparatus Cytoplasm 10. lysosomes 11. mitochondria 12. cytoskeleton A. an organelle that produces ATP B. cell interior C. in plants, organelles that use light to make organic compounds. D. the cell's packaging and distribution center E. Controls all functions of cells and stores DNA F. encloses and regulates what enters and leaves the cell G. small organelles that contain the cell's digestive enzymes H. Site of protein synthesis I. in plant cells, a large, membrane-bound sac that stores water, nutrients, or other substances J. Fibers that give structure to the cell K. Supports and maintains shape of plant cells L. system of internal membranes that move proteins and
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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