d. Give the fumctions of the following sabcellular structures Cell strueture bra

Question

d. Give the fumctions of the following sabcellular structures Cell strueture brane Mitechondria Rough endoplasmic reticulum Smooth endoplasmic reticulum Ribosome Lysosom Centrioles Golgi complex MAKE THE CONNECTION Tay-Sachs disease is a genetic disorder that causes progressive deterioration of the brain tissue and nerves. It is caused by an accumulation of lipids in the tissue that interferes with normal functions and early brain development. as n Search the internet to describe the organelle that is affected and the exact defect 1. Mitochondrial diseases are often caused by mutation in mitochondrial DNA that makes mitochondria dysfunctional. Knowing the function of mitochondria, how would this affect the functions of the cells? 2. Even though mitochondria are found in most body cells (except red blood cells), mitochondrial diseases are considered more severe when defective mitochondria are present in the muscles or the brain. Why? 35

Explanation / Answer

Plasma membrane- protects the cell from its surroundings Nucleus- coordinates cell activities such as growth, reproduction and protein synthesis Mitochondria- it is called the power house of the cell as it produces energy currency of the cell, the ATP,it is a site for cellular respiration Rough endoplasmic reticulum- roughness is due to the presence of ribosomes which helps in protein synthesis Smooth endoplasmic reticulum-regulates release of calcium ions, helps in processing toxic substances Ribosome- helps in protein synthesis hence it is called the protein factory of the cell Lysosome- digestion of organic substances Centrioles- helps in cell division Golgi complex- it helps in the secretion of chemicals required for cellular activities

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