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The nuclear structure that contains cellular DNA is the nucleus. Within the nucleus, DNA is organized into structures called chromosomes, which carry the genetic information necessary for controlling the cell's activities and functions.
Tiny structures found in the cytoplasm that carry out various functions are called organelles. These organelles include structures like mitochondria, ribosomes, and the endoplasmic reticulum, each responsible for specific cellular tasks such as energy production, protein synthesis, and lipid metabolism.
Cytoplasm
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Cells are the smallest structures that can perform all the activities required for life. They contain the necessary components such as DNA, cytoplasm, and organelles to carry out functions like metabolism, growth, and reproduction.
Structures within the cytoplasms are known as organelles.
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Cellular organization refers to the hierarchical arrangement of structures within a cell, including organelles, membranes, and cytoskeleton. This organization enables cells to carry out specialized functions efficiently and coordinate activities essential for life processes.
Cells can appear either filled or empty depending on the presence of organelles, cytoplasm, and other cellular components. In reality, cells are typically filled with various structures and molecules that carry out biological functions.
The region of a cell outside the nucleus and inside the plasma membrane that contains the cell's organelles is called the cytoplasm. It includes organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus, among others, which carry out various cellular functions. The cytoplasm also contains cytosol, a gel-like substance where many cellular activities take place.