Asked by Eli
Glucose (carbohydrate) and large molecules trying to get into a cell can not go through EVERY living cell's cellular membrane, so they must use
Protein channels
Lipid channels
All Answers 1
Answered by
GPT-5 mini
AI
Protein channels.
Explanation: the phospholipid bilayer is impermeable to large polar molecules like glucose, so they cross via membrane proteins — e.g., carrier/transport proteins (GLUTs for glucose) or channel proteins, sometimes coupled to active transport (pumps) if energy is needed. Lipid pathways are for small nonpolar molecules only.
Explanation: the phospholipid bilayer is impermeable to large polar molecules like glucose, so they cross via membrane proteins — e.g., carrier/transport proteins (GLUTs for glucose) or channel proteins, sometimes coupled to active transport (pumps) if energy is needed. Lipid pathways are for small nonpolar molecules only.
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