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Questions and Answers
Which type of active transport uses adenosine triphosphate (ATP) as its energy source?
Which type of active transport uses adenosine triphosphate (ATP) as its energy source?
- Primary active transport (correct)
- Secondary active transport
- Facilitated transport
- Tertiary active transport
What is the main requirement for active transport to occur?
What is the main requirement for active transport to occur?
- Lipid bilayer permeability
- High extracellular concentration
- Cellular energy (correct)
- Presence of aquaporins
Which physiological processes depend on active transport?
Which physiological processes depend on active transport?
- Exocytosis and endocytosis
- Nutrient uptake and hormone secretion (correct)
- Passive diffusion and osmosis
- Glycolysis and Krebs cycle
What can result from dysregulation of active transport?
What can result from dysregulation of active transport?
What is the main energy source for primary active transport involved in photosynthesis?
What is the main energy source for primary active transport involved in photosynthesis?
Which type of ATPase is responsible for creating a proton gradient across the thylakoid membrane in photosynthesis?
Which type of ATPase is responsible for creating a proton gradient across the thylakoid membrane in photosynthesis?
What is the role of ABC transporters in plants?
What is the role of ABC transporters in plants?
In petunia flowers, what is the function of the ABC transporter PhABCG1?
In petunia flowers, what is the function of the ABC transporter PhABCG1?
What is the consequence of decreased expression levels of PhABCG1 in petunia flowers?
What is the consequence of decreased expression levels of PhABCG1 in petunia flowers?
What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?
What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?
What induces a conformational change in the carrier protein to drive the transport of hydrogen ions in primary active transport?
What induces a conformational change in the carrier protein to drive the transport of hydrogen ions in primary active transport?
What is the primary function of P-type ATPase in primary active transport?
What is the primary function of P-type ATPase in primary active transport?
What is the main characteristic of active transport?
What is the main characteristic of active transport?
Who suggested the possibility of active transport in 1848?
Who suggested the possibility of active transport in 1848?
What did Dennis Robert Hoagland investigate in 1926?
What did Dennis Robert Hoagland investigate in 1926?
Who received the Nobel Prize in Chemistry in 1997 for research on the sodium-potassium pump?
Who received the Nobel Prize in Chemistry in 1997 for research on the sodium-potassium pump?
What do specialized transmembrane proteins do in active transport?
What do specialized transmembrane proteins do in active transport?
How many forms of active transport are there?
How many forms of active transport are there?
What does primary active transport use as chemical energy?
What does primary active transport use as chemical energy?
What type of energy does secondary active transport make use of?
What type of energy does secondary active transport make use of?
What processes are associated with secondary active transport?
What processes are associated with secondary active transport?
What does primary active transport directly use to transport molecules across a membrane?
What does primary active transport directly use to transport molecules across a membrane?
What is the main difference between active transport and passive transport?
What is the main difference between active transport and passive transport?
What is the primary energy source for primary active transport?
What is the primary energy source for primary active transport?
What is an example of a physiological process dependent on active transport?
What is an example of a physiological process dependent on active transport?
What can result from dysregulation of active transport?
What can result from dysregulation of active transport?
What is the main function of ABC transporters in plants?
What is the main function of ABC transporters in plants?
Which physiological processes are directly influenced by plant ABC transporters?
Which physiological processes are directly influenced by plant ABC transporters?
What is the primary role of the P-type ATPase in primary active transport?
What is the primary role of the P-type ATPase in primary active transport?
What is the main energy source for primary active transport involved in photosynthesis?
What is the main energy source for primary active transport involved in photosynthesis?
What is the consequence of decreased expression levels of the ABC transporter PhABCG1 in petunia flowers?
What is the consequence of decreased expression levels of the ABC transporter PhABCG1 in petunia flowers?
What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?
What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?
What induces a conformational change in the carrier protein to drive the transport of hydrogen ions in primary active transport?
What induces a conformational change in the carrier protein to drive the transport of hydrogen ions in primary active transport?
What is the primary function of F-ATPase in primary active transport?
What is the primary function of F-ATPase in primary active transport?
What did Jens Christian Skou receive the Nobel Prize in Chemistry for in 1997?
What did Jens Christian Skou receive the Nobel Prize in Chemistry for in 1997?
What did Emil du Bois-Reymond suggest in 1848?
What did Emil du Bois-Reymond suggest in 1848?
What is the main characteristic of primary active transport?
What is the main characteristic of primary active transport?
What did Dennis Robert Hoagland investigate in 1926?
What did Dennis Robert Hoagland investigate in 1926?
What is the main energy source for primary active transport involved in photosynthesis?
What is the main energy source for primary active transport involved in photosynthesis?
What are the two forms of active transport?
What are the two forms of active transport?
What type of energy does secondary active transport make use of?
What type of energy does secondary active transport make use of?
What physiological processes depend on active transport?
What physiological processes depend on active transport?
What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?
What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?
What are antiport and symport processes associated with?
What are antiport and symport processes associated with?
What is the role of specialized transmembrane proteins in active transport?
What is the role of specialized transmembrane proteins in active transport?
What is the association of active transport with accumulating high concentrations of molecules that the cell needs?
What is the association of active transport with accumulating high concentrations of molecules that the cell needs?
Study Notes
Active Cellular Transportation: Key Facts and History
- Active transport uses cellular energy to move molecules against a gradient or resistance
- It is associated with accumulating high concentrations of molecules that the cell needs
- Active transport examples include glucose uptake in human intestines and mineral ion uptake in plant root hair cells
- In 1848, Emil du Bois-Reymond suggested the possibility of active transport
- In 1926, Dennis Robert Hoagland investigated plants' ability to absorb salts against a concentration gradient
- In 1997, Jens Christian Skou received the Nobel Prize in Chemistry for his research on the sodium-potassium pump
- Specialized transmembrane proteins recognize substances and allow them to move across the membrane
- There are two forms of active transport: primary active transport and secondary active transport
- Primary active transport uses ATP as chemical energy and involves pumps
- Secondary active transport makes use of potential energy derived from an electrochemical gradient
- Antiport and symport processes are associated with secondary active transport
- Primary active transport directly uses metabolic energy to transport molecules across a membrane, including metal ions such as Na+, K+, Mg2+, and Ca2+
Active Cellular Transportation: Key Facts and History
- Active transport uses cellular energy to move molecules against a gradient or resistance
- It is associated with accumulating high concentrations of molecules that the cell needs
- Active transport examples include glucose uptake in human intestines and mineral ion uptake in plant root hair cells
- In 1848, Emil du Bois-Reymond suggested the possibility of active transport
- In 1926, Dennis Robert Hoagland investigated plants' ability to absorb salts against a concentration gradient
- In 1997, Jens Christian Skou received the Nobel Prize in Chemistry for his research on the sodium-potassium pump
- Specialized transmembrane proteins recognize substances and allow them to move across the membrane
- There are two forms of active transport: primary active transport and secondary active transport
- Primary active transport uses ATP as chemical energy and involves pumps
- Secondary active transport makes use of potential energy derived from an electrochemical gradient
- Antiport and symport processes are associated with secondary active transport
- Primary active transport directly uses metabolic energy to transport molecules across a membrane, including metal ions such as Na+, K+, Mg2+, and Ca2+
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Description
Test your knowledge of active cellular transportation with this quiz! Learn about the key facts and historical milestones related to active transport, including the role of specialized transmembrane proteins, primary and secondary active transport, and the Nobel Prize-winning research on the sodium-potassium pump.
