16 terms

Biology Miller and Levine Chapter 2.3

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Carbon
What element is in almost every molecule found in life (real, living organisms)?
4
How many valence electrons does carbon have?
Macromolecules
Large molecules
Monomer
Small chemical unit that makes up a polymer
Polymer
Molecule composed of many monomers
Make up macromolecules
Polymerization
Process in which large compounds are built by joining smaller ones together
This process forms organic macromolecules and polymers (which make up macromolecules)
Carbohydrates, lipids, nucleic acids, and proteins
What are the four groups of macromolecules?
Carbohydrates
*Compounds made up of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio; major source of energy for organisms
A key source of energy and form some structures
What are the functions of carbohydrates?
Monosaccharides
What is the monomer for carbohydrates?
glucose
Polysaccharides
What is the polymer for carbohydrates?
starch
Glucose, fructose, lactose, sucrose, glycogen, starch, and cellulose
What are the key examples of carbohydrates?
Monosaccharide
Simple sugar molecule
Disaccharide
A compound made by joining two simple sugars together