Most of the endoplasmic reticulum is concentrated in the cell body region of a neuron.
Endoplasmic reticulum (ER) is a membrane-enclosed cell organelle which is present all over the cytoplasm of every eukaryotic cell.
Electron microscope studies reveal that endoplasmic reticulum is present throughout the cytoplasm in neurons including the cell body, dendrites as well as axon.
However, it also shows that ER is largely concentrated in the cell body of a neuron.
A neuron or nerve cell is made up of three important regions viz. cell body, dendrites as well as axon. The cell body consists of cytoplasm with distinctive cell organelles as well as definite granular bodies which are known as Nissl's granules.
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<span>The cell cycle, or cell-division cycle, is the series of events that takes place in a cell leading to its division and duplication (replication). In cells without a nucleus (prokaryotes), the cell cycle occurs via a process termed binary fission. In cells with a nucleus (eukaryotes), the cell cycle can be divided in two brief periods: interphase—during which the cell grows, accumulating nutrients needed for mitosis and duplicating its DNA—and the mitosis (M) phase, during which the cell splits itself into two distinct cells, often called "daughter cells". The cell-division cycle is a vital process by which a single-celled fertilized egg develops into a mature organism, as well as the process by which hair, skin, blood cells, and some internal organs are renewed. </span>
Answer:
A higher amount of carbon dioxide in the atmosphere leads to higher global temperatures, which then results in thermal expansion of seawater and melting of glaciers and ice sheets.
Explanation:
Answer:
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Explanation:
The cytoskeleton is responsible for contraction, cell motility, movement of organelles and vesicles through the cytoplasm, cytokinesis, establishment of the intracellular organization of the cytoplasm, establishment of cell polarity, and many other functions that are essential for cellular homeostasis and survival.