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A boy is studying transport of a certain type of molecules into cell. He finds that transport slows down when the cells are poisoned with a chemical that inhibits energy production. Under normal circumstances the molecules studied by the boy is probably transported by

  • a)
    simple diffusion

  • b)
    active transport

  • c)
    osmosis

  • d)
    facilitated diffusion

Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A boy is studying transport of a certain type of molecules into cell. ...
Transport of Molecules into Cell - NEET

Explanation:
When the cells are poisoned with a chemical that inhibits energy production, the transport of the studied molecules slows down. This indicates that energy is required for the transport of the molecules. There are two types of transport mechanisms, passive and active transport, which transport molecules into cells.

Passive Transport:
Passive transport is a type of transport mechanism where no energy is required to move molecules across the cell membrane. Simple diffusion, facilitated diffusion, and osmosis are types of passive transport.

Active Transport:
Active transport is a type of transport mechanism where energy is required to move molecules across the cell membrane. Active transport usually involves the movement of molecules against their concentration gradient, from a region of low concentration to a region of high concentration.

When the cells are poisoned with a chemical that inhibits energy production, the transport of the studied molecules slows down. This indicates that energy is required for the transport of the molecules. Thus, the molecules studied by the boy are probably transported by active transport.

Therefore, the correct answer is option B, active transport.
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Community Answer
A boy is studying transport of a certain type of molecules into cell. ...
Active transport uses energy (ATP) to pump molecules against a concentration gradient. Cells undergoing active transport bear abundant mitochondria to provide ATP, needed to power active transport. So, the production of ATP is blocked or decreased and active transport is blocked or slow down.
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A boy is studying transport of a certain type of molecules into cell. He finds that transport slows down when the cells are poisoned with a chemical that inhibits energy production. Under normal circumstances the molecules studied by the boy is probably transported bya)simple diffusionb)active transportc)osmosisd)facilitated diffusionCorrect answer is option 'B'. Can you explain this answer?
Question Description
A boy is studying transport of a certain type of molecules into cell. He finds that transport slows down when the cells are poisoned with a chemical that inhibits energy production. Under normal circumstances the molecules studied by the boy is probably transported bya)simple diffusionb)active transportc)osmosisd)facilitated diffusionCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A boy is studying transport of a certain type of molecules into cell. He finds that transport slows down when the cells are poisoned with a chemical that inhibits energy production. Under normal circumstances the molecules studied by the boy is probably transported bya)simple diffusionb)active transportc)osmosisd)facilitated diffusionCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A boy is studying transport of a certain type of molecules into cell. He finds that transport slows down when the cells are poisoned with a chemical that inhibits energy production. Under normal circumstances the molecules studied by the boy is probably transported bya)simple diffusionb)active transportc)osmosisd)facilitated diffusionCorrect answer is option 'B'. Can you explain this answer?.
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