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What Process Involves Ion-Driven Molecule Transport in Opposite Direct
Chapter 5, Problem 5(choose chapter or problem)
A driving ion moving through a membrane channel in one direction gives energy to actively transport another molecule in the opposite direction. What is this process called?
a. facilitated diffusion
b. antiport transport
c. symport transport
d. primary active transport pump
e. cotransport
Questions & Answers
QUESTION:
A driving ion moving through a membrane channel in one direction gives energy to actively transport another molecule in the opposite direction. What is this process called?
a. facilitated diffusion
b. antiport transport
c. symport transport
d. primary active transport pump
e. cotransport
ANSWER:Step 1 of 3
In the context of cell biology, the concept of a driving ion is key. The driving ion refers to an ion that transitions from a region of high concentration to one of low concentration within the cell. This movement generates energy that's used for various transport processes. The gradient created by this concentration difference is integral to functions like nutrient uptake and waste elimination in the cell.
Several cellular processes may involve a driving ion. These are facilitated diffusion, antiport transport, symport transport, primary active transport pump, and cotransport. Each of these procedures describes a distinct method by which molecules and ions cross the cell membrane.
Facilitated diffusion, is a unique transport process. This passive transport process doesn't require energy from the cell. Molecules move across the cell membrane along their concentration gradient, from high to low, aided by carrier proteins.
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What Process Involves Ion-Driven Molecule Transport in Opposite Direct
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In cell biology, the "driving ion" is a pivotal concept. It refers to ions moving from areas of high to low concentration, generating energy for various cellular transport processes. This gradient is crucial for nutrient uptake and waste elimination. Multiple processes involve a driving ion, including facilitated diffusion, symport transport, primary active transport pumps, and cotransport. Facilitated diffusion aids molecule movement along their gradient, while symport moves multiple substance