Delocalised Electrons

Addition Reaction

Substitution

Electrophile

Substitution Reaction

Electrophilic substitution

Reaction mechanism

Curly Arrow

Functional Group

Electronegativity

Stem

Suffix

Redox Reaction

Reflux

Nucleophile

Esterification

Hydrolysis

Low-density Lipoprotein (LDL)

High-density Lipoprotein (HDL)

Peptide

Zwitterion

Isoelectric Point

Peptide

Condensation Reaction

Hydrolysis

Stereoisomers

Chiral Carbon

Optical Isomers (or enantiomers)

Repeat Unit

Biodegradable Polymer

Degradable Polymer

Pharmacological Activity

Phase

Mobile Phase

Stationary Phase

Chromatogram

Rf

Retention Time

Chemical Shift