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Claire and Dag are farmers who produce beef and corn. In a year, Claire can produce 16 tons of beef or 40 bushels of corn, while Dag can produce 5 tons of beef or 25 bushels of corn. The opportunity cost of producing a ton of beef is
Covalently Linked
Atoms connected by covalent bonds, where they share one or more pairs of electrons to achieve stability.
Integral Proteins
Proteins that are permanently attached to the membrane, playing critical roles in cell signaling, structure, and transport.
Lipid Bilayer
A double-layered structure formed by lipids that constitutes the main component of all cell membranes, providing barrier and structural integrity to cells.
Hydrophobic Portions
Regions of a molecule that are repelled by water and tend to be nonpolar, often found in lipids and proteins.
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