Cell Structure In Biology
Introduction A cell is the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane. It is the smallest unit of life that can replicate independently, and are often called the "building blocks of life". The study of cells is called cell biology. Plants and animals have different cell structure, however the constituents may not greatly vary.
Plant Cell Structure Plant Cell is composed of: 1. Cell Wall 2. Central Vacuole 3. Nucleus 4. Plastids 5. Chloroplasts
Plant Cell Functions Plants have very different lifestyles from animals, and these differences are apparent when you examine the structure of the plant cell. Plants make their own food in a process called photosynthesis. They take in carbon dioxide (CO2) and water (H2O) and convert them into sugars.
Animal Cell Structure Animal Cell is composed of: 1.
Centrioles
2. Endoplasmic Reticulum 3. Golgi Apparatus 4. Lysosomes 5. Mitochondria 6. Nucleus 7.
Plasma Membrane
8. Ribosomes
Animal Cell Functions The animal cells perform variety of activities by the aid of the cellular organelles. These cells function as a unit and the cells together form tissues. A group go tissues with similar function form an organ and a group of organ of specific function to perform becomes and organ system. Thus, the microscopic cells form the basic unit for the activities and coordination and help survival of the organism.
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