Molecules such as glucose and amino acids are NOT lipid soluble and therefore they.... easily pass across the cell membrane require active transport to cross the cell membrane at all times must be converted to lipids before they can enter a cell combine with carrier proteins and pass across by facilitated transport must be engulfed by a cell using endocytosis
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Step 1: Molecules such as glucose and amino acids are not lipid soluble, so they cannot easily pass across the cell membrane on their own. Show more…
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Glucose molecules cross the cell membrane by traveling through special proteins without the use of energy. This is known as: active transport osmosis passive transport simple diffusion
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The types of molecules embedded in the plasma membrane that can move molecules across that would otherwise not be able to move via diffusion are: Carbohydrates Lipids Proteins Nucleic acids
Facilitated diffusion and active transport both $a$. require ATP. $b$. require the use of proteins as carriers or channels. c. carry solutes in only one direction. $d$. increase without limit as the concentration gradient increases. e. depend on the solubility of the solute in lipids.
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