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midterm recview

QuestionAnswer
What are the three parts of the cell theory All living things are made of cells. 2. Cells are the basic unit of structure and function. 3. All cells come from pre-existing cells.
What is the function of the nucleus It controls cell activities and contains genetic material (DNA).
What is the role of ribosomes They synthesize proteins from amino acids
What is the function of mitochondria They produce ATP energy through cellular respiration.
What is the structure and function of the cell membrane A phospholipid bilayer that controls movement of substances in and out of the cell.
What is the function of the endoplasmic reticulum (ER) Rough ER synthesizes proteins; Smooth ER synthesizes lipids and detoxifies toxins.
What is the function of the Golgi apparatus It modifies, sorts, and packages proteins and lipids for transport.
What is the function of lysosomes They digest worn-out organelles and waste materials.
What is the difference between mitosis and meiosis Mitosis produces two identical cells; meiosis produces four genetically unique gametes.
What organelles are unique to plant cells Cell wall, chloroplasts, and large central vacuole
What are the five main functions of the skeletal system Support, protection, movement, mineral storage, and blood cell formation.
What are the main types of bones Long, short, flat, irregular, and sesamoid.
What are the two types of bone tissue Compact bone and spongy bone.
What are osteoblasts, osteocytes, and osteoclasts Osteoblasts build bone, osteocytes maintain bone, and osteoclasts break down bone.
What is bone remodeling The continuous process of bone formation and resorption.
What are the two main divisions of the skeleton Axial skeleton (skull, spine, ribs) and appendicular skeleton (limbs, girdles)
What is the difference between red and yellow bone marrow Red marrow produces blood cells; yellow marrow stores fat.
What are the three main types of joints Fibrous (immovable), cartilaginous (slightly movable), and synovial (freely movable)
What is a synovial joint A joint enclosed by a capsule containing synovial fluid for lubrication
What are some common skeletal disorders Osteoporosis, arthritis, and bone fractures
Created by: user-1991289
 



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