IB Biology B1.1 Definitions

This page contains our IB Biology definitions for B1.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Carbohydrates and lipids'.
cis-unsaturated fatty acid

A fatty acid in which the double bond has hydrogens on the same side

condensation reaction

A reaction that produces a disaccharide and water from two monosaccharides

disaccharide

Two monosaccharides linked together by a condensation reaction

hydrolysis reaction

A reaction that uses water to split a disaccharide into two monosaccharides

monosaccharide

The most basic unit of carbohydrates

monounsaturated fatty acid

A fatty acid with one double bond

polysaccharide

Many monosacchardies linked together by condensation reactions

polyunsaturated fatty acid

A fatty acid with two or more double bonds

saturated fatty acid

A fatty acid in which all carbon atoms are connected by single bonds

trans-unsaturated fatty acid

A fatty acid in which the double bond has hydrogen on opposite sides

unsaturated fatty acid

A fatty acid that has one or more double bonds

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