Active And Passive Transport Concept Map Figure PageIndex 2 The Cell Transport Concept Map illustrates various types of cell transports that happen at the plasma membrane What is the main difference between passive and active transport Summarize three different ways that passive transport can occur and give an example of a substance that is transported in each way
Transport across a cell membrane is a tightly regulated process because cell function is highly dependent on maintain strict concentrations of various molecules When a molecule moves down its concentration gradient is it participating in passive transport moving up the concentration gradient requires energy making it active transport Active Transport Process that moves materials across the plasma membrane against a concentration gradient requires energy Carrier Protein Protein that transports materials into or out of the cell in active transport Concentration Gradient When a solute in a cell is in high concentration on one side of a membrane compared to the other
Active And Passive Transport Concept Map
Active And Passive Transport Concept Map
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Cell Transport Concept Map Lake Livingston State Park Map
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Active transport requires energy to move substances against a concentration or electrical gradient like a canoeist paddling upstream Passive transport on the other hand does not require energy as substances move along their gradient similar to a canoeist drifting downstream The sodium potassium pump is a key example of active transport The passive forms of transport diffusion and osmosis move materials of small molecular weight across membranes Substances diffuse from areas of high concentration to areas of lower concentration and this process continues until the substance is evenly distributed in a system
Lesson includes previous concepts of active passive transport Lesson has links to diffusion lab passive active transport hand outs osmosis animation atp energy storage animation active transport power point and a hand out on endocytosis and exocytosis Open the resource in a new window Compare and contrast active and passive transport Compare and contrast simple diffusion and facilitated diffusion Compare and contrast endocytosis and exocytosis Define osmosis Given any scenario predict the movement of water molecules across a semipermeable membrane Describe the concept of tonicity Given any solution be able to
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5 4 Passive Transport Across Membranes Plasma membranes must allow certain substances to enter and leave a cell while preventing harmful material from entering and essential material from leaving In other words plasma membranes are selectively permeable they allow some substances through but not others The cellular processes discussed in the cell transport passive and active transport concepts all play an important role in homeostatic regulation Summary The cell membrane is selectively permeable allowing only certain substances to pass through Cell transport may require assistance by a protein pump Cell transport may require energy
1 Movement of a substance down the substance s concentration gradient 2 Carrier protein used in active transport 3 Protein used to transport specific substances 4 Movement of a substance by vesicle to the outside of a cell 5 Movement of a substance by vesicle to the inside of a cell 6 Does not require energy from the cell 7 Term Membrane transport mechanism Location Term Vesicular Location Term Active Location Term Passive Location Term Endocytosis Location Term Exocytosis Location Term Osmosis Location Term Facilitated Location Start studying Movement Across Membranes Concept Map Learn vocabulary terms and more with flashcards games and other study tools
Active And Passive Transport Similarities And Differences
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Active And Passive Transport Concept Map - Compare and contrast active and passive transport Compare and contrast simple diffusion and facilitated diffusion Compare and contrast endocytosis and exocytosis Define osmosis Given any scenario predict the movement of water molecules across a semipermeable membrane Describe the concept of tonicity Given any solution be able to