Podcast
Questions and Answers
Which type of membrane lines cavities that open to the body's exterior?
Which type of membrane lines cavities that open to the body's exterior?
- Mucous (correct)
- Cutaneous
- Serous
- Synovial
Which of the following is a connective tissue membrane?
Which of the following is a connective tissue membrane?
- Serous
- Mucous
- Synovial (correct)
- Cutaneous
What is the name of the membrane that makes up the skin?
What is the name of the membrane that makes up the skin?
- Mucous
- Cutaneous (correct)
- Synovial
- Serous
Which of the following is a function of the integumentary system?
Which of the following is a function of the integumentary system?
Which membrane protects the central nervous system?
Which membrane protects the central nervous system?
Which of the following is a monosaccharide?
Which of the following is a monosaccharide?
What is the primary function of triglycerides?
What is the primary function of triglycerides?
Which of these is a structural protein?
Which of these is a structural protein?
What are the building blocks of nucleic acids?
What are the building blocks of nucleic acids?
Which lipid contributes to cell membrane stability and hormone production?
Which lipid contributes to cell membrane stability and hormone production?
Which organelle is responsible for protein packaging and distribution?
Which organelle is responsible for protein packaging and distribution?
What is the primary function of the cell membrane?
What is the primary function of the cell membrane?
Which of the following processes requires ATP?
Which of the following processes requires ATP?
Which type of tissue covers surfaces and forms glands?
Which type of tissue covers surfaces and forms glands?
Which organelle is the genetic control center of the cell?
Which organelle is the genetic control center of the cell?
Flashcards
Monosaccharides
Monosaccharides
Simple sugars like glucose and fructose.
Lipids
Lipids
Energy-rich molecules, insoluble in water, including triglycerides, phospholipids, and cholesterol.
Proteins
Proteins
Polymers made of amino acid chains with diverse functions.
Triglycerides
Triglycerides
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Nucleic Acids
Nucleic Acids
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Mucous Membrane
Mucous Membrane
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Serous Membrane
Serous Membrane
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Cutaneous Membrane
Cutaneous Membrane
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Synovial Membrane
Synovial Membrane
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Meninges Membrane
Meninges Membrane
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Nucleus
Nucleus
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Golgi Apparatus
Golgi Apparatus
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Mitochondria
Mitochondria
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Epithelial Tissue
Epithelial Tissue
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Passive Transport
Passive Transport
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Study Notes
Major Organelles
- Nucleus contains DNA, serving as the genetic control center.
- Endoplasmic Reticulum facilitates protein synthesis (rough ER).
- Golgi Apparatus is responsible for protein packaging and distribution.
- Mitochondria produces energy (ATP).
- Lysosomes are involved in cellular digestion.
- Cell membrane controls substance movement.
Membrane Transport
- Passive processes do not require ATP.
- Diffusion is a type of passive transport.
- Osmosis is a type of passive transport.
- Facilitated diffusion is a type of passive transport.
- Active processes require ATP.
- Active transport requires ATP.
- Endocytosis/exocytosis requires ATP.
Tissues
Four Main Types
- Epithelial tissue covers surfaces and forms glands.
- Connective tissue provides support and connection.
- Muscle tissue is responsible for movement (skeletal, smooth, cardiac).
- Nervous tissue facilitates signal transmission.
Membranes
Epithelial Membranes
- Mucous membranes line cavities opening to the exterior.
- Serous membranes line closed body cavities.
- Cutaneous membranes refer to the skin.
Connective Membranes
- Synovial membranes line joints.
- Meninges protect the central nervous system.
Integumentary System
Functions
- Protection
- Temperature regulation
- Sensory reception
- Vitamin D synthesis
- Waste excretion
- Immune function
Carbohydrates
Types
- Monosaccharides include glucose and fructose.
- Disaccharides include sucrose and lactose.
- Polysaccharides include cellulose, glycogen, and starch.
Lipids
- Mostly contain carbon and hydrogen and are insoluble in water.
Types
- Triglycerides are for energy storage.
- Phospholipids form cell membrane structures.
- Cholesterol contributes to membrane stability and hormone production.
Proteins
- Made of amino acid chains.
Functions
- Structural support (collagen, keratin)
- Enzymes
- Transport (hemoglobin)
- Hormones (insulin)
- Muscle contraction (actin, myosin)
Nucleic Acids
- DNA and RNA
- Made of nucleotides (sugar, phosphate, nitrogen base).
- Function in genetic information storage and protein synthesis.
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Description
Overview of major cell organelles and their functions, including the nucleus, endoplasmic reticulum, Golgi apparatus, mitochondria, and lysosomes. Also, the lesson covers membrane transport processes, distinguishing between passive and active mechanisms. Four main tissue types—epithelial, connective, muscle, and nervous—are examined. The role of epithelial membranes – mucous, serous, cutaneous – are also examined.
