QQuestionBiology
QuestionBiology
Facilitated diffusion requires:
a specific transport protein to help nutrients move through the cell membrane.
a specific transport protein and energy to help nutrients move through the cell membrane.
energy to help nutrients move through the cell membrane.
ion channels that regulate water into and out of the cell membrane.
enzymes to work as catalysts that help nutrients move through the cell membrane
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Answer
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Step 1:: Understand the question
The question asks us to identify what is required for facilitated diffusion. Facilitated diffusion is a type of passive transport that allows molecules to move from an area of high concentration to an area of low concentration with the help of a transport protein.
Step 2:: Eliminate incorrect options
Based on our understanding of facilitated diffusion, we can eliminate the following options: - Ion channels that regulate water into and out of the cell membrane (ion channels are different from transport proteins and are responsible for moving ions, not nutrients) - Energy to help nutrients move through the cell membrane (facilitated diffusion is a type of passive transport, which does not require energy)
Step 3:: Analyze the remaining options
This leaves us with two options: - A specific transport protein to help nutrients move through the cell membrane - A specific transport protein and energy to help nutrients move through the cell membrane Since facilitated diffusion is a type of passive transport, it does not require energy. Therefore, we can eliminate the second option.
Step 4:: Select the correct answer
Based on our analysis, the correct answer is: - A specific transport protein to help nutrients move through the cell membrane.
Final Answer
A specific transport protein to help nutrients move through the cell membrane.
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