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What is the basic structural and functional unit of life? The cell — it is the smallest unit that performs all vital physiological functions.
What is the function of the plasma membrane? It regulates the movement of substances into and out of the cell and helps maintain the internal environment (homeostasis).
What is the structure of the plasma membrane? It is composed of a phospholipid bilayer with embedded proteins, cholesterol, and carbohydrates.
What is cytoplasm? The fluid inside the cell that includes cytosol (gel-like fluid) and organelles.
What is the function of the nucleus? The nucleus acts as the control center of the cell, storing DNA and coordinating protein synthesis and cell division.
What is the role of ribosomes? Ribosomes are the sites of protein synthesis; they can be free in the cytoplasm or attached to the rough endoplasmic reticulum (RER).
What is the difference between the smooth and rough endoplasmic reticulum? The rough ER has ribosomes and synthesizes proteins; the smooth ER lacks ribosomes and synthesizes lipids and detoxifies chemicals.
What is the function of the Golgi apparatus? It modifies, sorts, and packages proteins and lipids for storage or transport out of the cell.
What are mitochondria known for? They are the “powerhouses” of the cell, producing ATP through cellular respiration.
What is the role of lysosomes? Lysosomes contain digestive enzymes that break down worn-out organelles, bacteria, and other cellular debris.
Created by: chrismaligon
 

 



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