Active Cellular Transportation Quiz
46 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

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?

  • Lipid bilayer permeability
  • High extracellular concentration
  • Cellular energy (correct)
  • Presence of aquaporins
  • 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?

    <p>Cystic fibrosis and diabetes</p> Signup and view all the answers

    What is the main energy source for primary active transport involved in photosynthesis?

    <p>ATP hydrolysis</p> Signup and view all the answers

    Which type of ATPase is responsible for creating a proton gradient across the thylakoid membrane in photosynthesis?

    <p>F-ATPase</p> Signup and view all the answers

    What is the role of ABC transporters in plants?

    <p>Exporting volatile compounds</p> Signup and view all the answers

    In petunia flowers, what is the function of the ABC transporter PhABCG1?

    <p>Exporting volatile compounds</p> Signup and view all the answers

    What is the consequence of decreased expression levels of PhABCG1 in petunia flowers?

    <p>Decrease in emission of volatile compounds</p> Signup and view all the answers

    What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?

    <p>ATP hydrolysis</p> Signup and view all the answers

    What induces a conformational change in the carrier protein to drive the transport of hydrogen ions in primary active transport?

    <p>Binding of a hydrogen ion</p> Signup and view all the answers

    What is the primary function of P-type ATPase in primary active transport?

    <p>Exporting potassium ions</p> Signup and view all the answers

    What is the main characteristic of active transport?

    <p>It uses cellular energy to move molecules against a gradient or resistance</p> Signup and view all the answers

    Who suggested the possibility of active transport in 1848?

    <p>Emil du Bois-Reymond</p> Signup and view all the answers

    What did Dennis Robert Hoagland investigate in 1926?

    <p>Plants' ability to absorb salts against a concentration gradient</p> Signup and view all the answers

    Who received the Nobel Prize in Chemistry in 1997 for research on the sodium-potassium pump?

    <p>Jens Christian Skou</p> Signup and view all the answers

    What do specialized transmembrane proteins do in active transport?

    <p>Recognize substances and allow them to move across the membrane</p> Signup and view all the answers

    How many forms of active transport are there?

    <p>Two</p> Signup and view all the answers

    What does primary active transport use as chemical energy?

    <p>ATP</p> Signup and view all the answers

    What type of energy does secondary active transport make use of?

    <p>Potential energy derived from an electrochemical gradient</p> Signup and view all the answers

    What processes are associated with secondary active transport?

    <p>Antiport and symport</p> Signup and view all the answers

    What does primary active transport directly use to transport molecules across a membrane?

    <p>Metabolic energy</p> Signup and view all the answers

    What is the main difference between active transport and passive transport?

    <p>Active transport moves molecules against their concentration gradient, requiring energy; passive transport moves molecules down their concentration gradient without energy.</p> Signup and view all the answers

    What is the primary energy source for primary active transport?

    <p>Adenosine triphosphate (ATP)</p> Signup and view all the answers

    What is an example of a physiological process dependent on active transport?

    <p>Nutrient uptake</p> Signup and view all the answers

    What can result from dysregulation of active transport?

    <p>Cystic fibrosis</p> Signup and view all the answers

    What is the main function of ABC transporters in plants?

    <p>Import or export of molecules across a cell membrane</p> Signup and view all the answers

    Which physiological processes are directly influenced by plant ABC transporters?

    <p>Pathogen response and phytohormone transport</p> Signup and view all the answers

    What is the primary role of the P-type ATPase in primary active transport?

    <p>Transporting sodium and potassium ions</p> Signup and view all the answers

    What is the main energy source for primary active transport involved in photosynthesis?

    <p>Light energy</p> Signup and view all the answers

    What is the consequence of decreased expression levels of the ABC transporter PhABCG1 in petunia flowers?

    <p>Decrease in emission of volatile compounds</p> Signup and view all the answers

    What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?

    <p>ATP hydrolysis</p> Signup and view all the answers

    What induces a conformational change in the carrier protein to drive the transport of hydrogen ions in primary active transport?

    <p>Binding of a hydrogen ion</p> Signup and view all the answers

    What is the primary function of F-ATPase in primary active transport?

    <p>Creating a proton gradient across the thylakoid membrane</p> Signup and view all the answers

    What did Jens Christian Skou receive the Nobel Prize in Chemistry for in 1997?

    <p>Research on the sodium-potassium pump</p> Signup and view all the answers

    What did Emil du Bois-Reymond suggest in 1848?

    <p>The possibility of active transport</p> Signup and view all the answers

    What is the main characteristic of primary active transport?

    <p>Direct use of metabolic energy</p> Signup and view all the answers

    What did Dennis Robert Hoagland investigate in 1926?

    <p>Plants' ability to absorb salts against a concentration gradient</p> Signup and view all the answers

    What is the main energy source for primary active transport involved in photosynthesis?

    <p>ATP</p> Signup and view all the answers

    What are the two forms of active transport?

    <p>Primary active transport and secondary active transport</p> Signup and view all the answers

    What type of energy does secondary active transport make use of?

    <p>Potential energy derived from an electrochemical gradient</p> Signup and view all the answers

    What physiological processes depend on active transport?

    <p>Both a and b</p> Signup and view all the answers

    What drives the transport of hydrogen ions against the electrochemical gradient in primary active transport?

    <p>ATP as chemical energy</p> Signup and view all the answers

    What are antiport and symport processes associated with?

    <p>Secondary active transport</p> Signup and view all the answers

    What is the role of specialized transmembrane proteins in active transport?

    <p>Recognize substances and allow them to move across the membrane</p> Signup and view all the answers

    What is the association of active transport with accumulating high concentrations of molecules that the cell needs?

    <p>It is a key characteristic of active transport</p> Signup and view all the answers

    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+

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    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.

    More Like This

    Active Transport in Cellular Biology
    5 questions
    Cellular Transport: Passive vs Active
    32 questions

    Cellular Transport: Passive vs Active

    UltraCrispEnlightenment3758 avatar
    UltraCrispEnlightenment3758
    Use Quizgecko on...
    Browser
    Browser