Cell Membrane Phospholipid Protein Bilayer example essay topic
244 words
Animal Cell The model cell that you are looking at is an animal cell. The model is labeled with all of the typical organelles within a cell membrane. The following words are parts of the cell structure and the different jobs each one performs: Cell Membrane- phospholipid-protein bilayer; separates cell content from the environment. Centrioles- paired structures; assisted during cell reproduction.
Chromatin- threadlike mass of DNA and associated proteins found when the cell is not reproducing Cytoplasm- fluid encompassing everything inside the cell's membrane and outside the nucleus. Golgi Apparatus- flattened disks involved in the packaging of proteins, lipids, and carbohydrates, which arrive from the endoplasmic reticulum and ribosomes. Lysosomes- membrane-bound sac; site of digestion and storage of digestive enzymes. Microtubules- protein-rich rods; provide internal support. Mitochondrion- membrane-bound structure; releases energy stored in food.
Nuclear envelope- phospholipid-protein bilayer; surrounds the nucleus. Nucleolus- membrane-bound structure; site of ribosomes synthesis Nucleus- membrane-bound spherical structure; information center of the cell. Ribosome- small spherical bodies that are the site of protein synthesis. Rough Endoplasmic Reticulum- membrane network with ribosomes attached to the outer surface; involved in protein synthesis and transportation of molecules in the cell.
Smooth Endoplasmic Reticulum- membrane network involved in synthesis of lipids and transportation of molecules in the cell. Vesicle- membrane-bound sac; moves protein, lipids, and carbohydrate particles through the cell, or towards the cell membrane where the content are secreted..
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