BIOL 170 Ch 3 Molecules of Life Part I (1)

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Organic Molecules

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20 Terms

1

Organic Molecules

Large molecules made of monomer subunits found in living organisms.

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2

Monosaccharides

Simple sugars that serve as the monomer units for carbohydrates, typically containing 3 to 7 carbon atoms.

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3

Disaccharides

Carbohydrates formed by the union of two monosaccharides through dehydration synthesis.

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4

Oligosaccharides

Carbohydrates composed of 2 to 12 monosaccharide units joined by dehydration synthesis.

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5

Polysaccharides

Large carbohydrates made of more than 12 monosaccharide units, often used for energy storage or structural support.

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6

Glycogen

A polysaccharide that serves as energy storage in animals.

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7

Starch

A polysaccharide that serves as energy storage in plants.

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8

Cellulose

A polysaccharide that provides structural support in plant cell walls and is indigestible by humans.

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9

Proteins

Molecules made of carbon, oxygen, hydrogen, and nitrogen, composed of amino acids.

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10

Amino Acids

The building blocks of proteins, there are 20 different types that can combine in various ways.

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11

Peptide Bonds

The covalent bonds that link amino acids together in a protein.

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12

Polypeptide

A chain of 3 to 100 amino acids linked by peptide bonds.

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13

Protein

A complex molecule made of more than 100 amino acids, with a specific structure and function.

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14

Enzymes

Proteins that catalyze biochemical reactions, often named with the suffix -ase.

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15

Heat Shock Chaperones

Proteins that assist in the proper folding of other proteins within the cell.

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16

Primary Protein Structure

The linear sequence of amino acids in a polypeptide chain.

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17

Secondary Protein Structure

The local folded structures that form within a protein due to hydrogen bonding.

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18

Tertiary Protein Structure

The overall three-dimensional shape of a single polypeptide chain.

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19

Quaternary Protein Structure

The structure formed when two or more polypeptide chains assemble into a functional protein.

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20

Ribbon Diagrams

A visual representation of protein structure that shows the arrangement of secondary structures.

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