Cells are regarded as the simplest unit (structural and functional) of life. Cellular membrane, nucleus, and cytoplasm are the three major components of a cell. Cellular membrane, which surrounds the entire cell, is composed of phospholipids and proteins. The nucleus is bound by a nuclear membrane, and it possesses the genetic material of the cell. Cytoplasm consists of organelles, cytoskeleton (filaments and tubules), and inclusion bodies. Organelles are structures present within a cell and are specialized to perform a particular metabolic task essential for the survival of the cell. Other organelles present in a cell include endoplasmic reticulum, ribosomes, Golgi complex, mitochondria, centrioles, peroxisomes, and lysosomes. Organelles that are enclosed by a membrane are called as membranous organelles. Protoplasm denotes all living material that are present in the cell enclosed by the cellular membrane (inside and outside the nucleus).

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Chapter 3.4, Problem 24BYGO

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Cells are regarded as the simplest unit (structural and functional) of life. Cellular membrane, nucleus, and cytoplasm are the three major components of a cell. Cellular membrane, which surrounds the entire cell, is composed of phospholipids and proteins. The nucleus is bound by a nuclear membrane, and it possesses the genetic material of the cell. Cytoplasm consists of organelles, cytoskeleton (filaments and tubules), and inclusion bodies. Organelles are structures present within a cell and are specialized to perform a particular metabolic task essential for the survival of the cell. Other organelles present in a cell include endoplasmic reticulum, ribosomes, Golgi complex, mitochondria, centrioles, peroxisomes, and lysosomes. Organelles that are enclosed by a membrane are called as membranous organelles. Protoplasm denotes all living material that are present in the cell enclosed by the cellular membrane (inside and outside the nucleus).

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