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Cell Structure
Structure and Description of Cell Structure
| Question | Answer |
|---|---|
| What are the different types of cells in our bodies? | Nerve, Muscle, Red Blood, Immune, and Gland Cells |
| What is the plasma membrane? | Serves as the boundary of the cell, maintains its integrity; protein molecules embedded in plasma membrane perform various functions |
| What is the endoplasmic reticulum? | Ribosomes attached to rough ER synthesize polypeptides that enter rough ER for folding and finishing, then move on to smooth ER, synthesizes integral membrane proteins (IMPs) and membrane lipids incorporated in cell membranes |
| What is the Golgi apparatus? | Synthesizes carbohydrate, combines it with protein, and packages the product as globules of glycoprotein |
| What are the vesicles? | Temporarily contain molecules for transport or later use |
| What are lysosomes? | Digestive enzymes break down defective cell parts and ingested particles, also involved in membrane repair or secretion |
| What are peroxisomes? | Enzymes detoxify harmful substances in the cell |
| What is the nucleus? | Houses the genetic code, which in turn dictates protein synthesis, thereby playing an essential role in other cell activities, namely, cell transport, metabolism, and growth |
| What are ribosomes? | Site of protein synthesis as cell’s “protein factories” |
| What are proteasomes? | Destroys misfolded or otherwise abnormal proteins manufactured by the cell and a “quality control” mechanism for protein synthesis |
| What is the cytoskeleton? | Supporting framework of the cell and its organelles, functions in cell movement, forms cell extensions |
| What are centrosomes? | Acts as the microtubule-organizing center (MTOC) of the cell; centrioles assist in forming and organizing microtubules |
| What are microvilli? | Acts as the microtubule-organizing center (MTOC) of the cell; centrioles assist in forming and organizing microtubules |
| What are the cilia and flagella? | Cilia move substances over the cell surface or detect changes outside the cell; flagella propel sperm cells |
| What are the nucleolus? | Site of formation of ribosome subunits |
| Most importantly, what is the mitochondria? | Catabolism, adenosine triphosphate (ATP) synthesis, which is a cell’s “power plants” |
Created by:
SkyePyke
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