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Glucose uptake into skeletal muscle is an example of which of the following transport processSelect one:a. Primary active transportb. Counter-transportc. Simple diffusiond. Facilitated diffusione. Co-transportClear my choice

Question

Glucose uptake into skeletal muscle is an example of which of the following transport processSelect one:a. Primary active transportb. Counter-transportc. Simple diffusiond. Facilitated diffusione. Co-transportClear my choice

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Solution

Glucose uptake into skeletal muscle is an example of facilitated diffusion.

Here's a step-by-step explanation:

  1. Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins.

  2. Glucose, being a large and polar molecule, cannot simply diffuse across a lipid bilayer membrane.

  3. Instead, it requires a specific transport protein to help it get through. In the case of glucose, this protein is known as a glucose transporter (GLUT).

  4. These transporters are embedded in the cell membrane and have a specific binding site that attaches to glucose molecules on one side of the membrane.

  5. Once glucose is attached, the transporter changes shape and releases the glucose on the other side of the membrane.

  6. This process does not require energy (ATP), which is why it is a type of passive transport.

So, the correct answer is d. Facilitated diffusion.

This problem has been solved

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