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18 Cards in this Set

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Organic Compound
Always contain carbon, usually hydrogen & oxygen too.

Originally coined to refer to compounds made from living things, but now much can be made in lab.
Atoms
Smallest unit of an element that retains characteristics of that element.
Atom Nucleus
Positively charged central portion of an atom.
Proton
In Atom Nucleus, contribute to positive charge.

A subatomic particle.
Neutrons
In Atom Nucleus, contribute mass, but no charge.

A subatomic particle.
Electrons
Outside of Atom Nucleus, negatively charged.
Synthesis
Requires energy, building up, putting together.
Decomposition
Releases energy, breaking down, taking apart.
Photosynthesis
Autotrophs converting light energy into chemical energy.
Cellular Respiration
Breaking down food (sugars).
Macromolecules
Carbohydrates; Lipids;
Proteins; Nucleic Acids.

4 most important classes of molecules in living cells.
Carbohydrates
Contained in all living cells.

Carbon with Oxygen & Hydrogen in 2:1 ratio.
Monosaccharides
Simple sugars

Glucose
Polysaccharides
“Many sugars”
Plant Polysaccharides
Structure is cellulose.
Energy is stored in starch.
Animal Polysaccharides
Structure is Chitin.
Energy is stored in Glycogen.
Chitin
In animals, simple sugars made into complex molecules.
Glycogen
In animals, stored in muscles.