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The Cell membrane, which can include protein channels which are used for larger molecules, the phospholipid bilayer uses diffusion to allow small molecules to cross.

The cell structures aid in the functioning of the cell. The microvilli of the cell aid in the absorption of more nutrients for cellular activity. Thus, option A is correct.

What are microvilli?

Microvilli are the cell organelles present as a finger-like protrusion that is structurally supported by the cytoskeleton. They have a variety of functions that includes absorption, adhesion, secretion, and many more.

They allow the diffusion of the molecules by increasing the surface area and decreasing the volume. The microvilli contain microscopic hair-like projections that allow the absorption of nutrients.

Especially in the small intestine, they increase the surface area which helps in more absorption of the digested nutrients and water.

Therefore, the microvilli aid in the absorption of nutrients.

Learn more about microvilli here:

https://brainly.com/question/12993303

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Your question is incomplete, but most probably your full question was, Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

  • Microvilli
  • Flagella
  • Stereocilia
  • Primary cilia
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