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Lecture 2

Chemical Bonds and Macromolecules

QuestionAnswer
Monomer subunit that serves as a building block of a polymer
Polymer consisting of similar or identical monomers linked together by covalent bonds
Dehydration Synthesis 2 molecules become covalently bonded by the removal of water. Requires energy
Hydrolysis Breaks the bonds between molecules by the addition of water. Releases energy
Hydrophobic No affinity to water
Hydrophilic Affinity to water
Amphipathic Both hydrophobic and hydrophilic, such as the phospholipid
Covalent bond Strong chemical bond where electrons are shared between two atoms
Polar Covalent Bond Covalent bond between atoms that differ in electronegativity
Hydrogen Bond Weak chemical bond. Formed when slightly positive H+ atoms is attracted to a negative atom of another molecule
Saturated C-C single bonds, therefore can compress to form a solid lipid at room temperature.
Unsaturated C-C double/triple bonds, therefore cannot compress and forms liquid at room temperature.
Created by: 831425276
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