Bio Chapter 3 Flashcards

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1
Q

condensation

A

Process by which enzymes build large molecules from smaller subunits; water also forms

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2
Q

Enzyme

A

Compound (usually a protein) that speeds a reaction without being changed by it.

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3
Q

Functional group

A

A group of atoms bonded to a carbon of an organic compound; imparts a specific chemical property

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4
Q

hydrocarbon

A

Compound or region of one that consists only of carbon and hydrogen atoms

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5
Q

Hydrolysis

A

Process by which an enzyme breaks a molecule into smaller subunits by attaching a hydroxyl group to on part and hydrogen atom to the other

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6
Q

Metabolism

A

All the enzymes-mediated chemical reactions by which cells acquire and use energy as they build and break down organic molecules

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7
Q

Monomers

A

Molecules that are subunits of polymers

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8
Q

Organic

A

type of compound that consists primarily of carbon and hydrogen atoms

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9
Q

Polymers

A

Molecule that consists of multiple monomer

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10
Q

Carbohydrate

A

Molecule that consists primarily of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio

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11
Q

Fat

A

Lipid that consists of a glycerol molecule with one,two or three fatty acids tails.

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12
Q

Fatty acid

A

Organic compound that consists of a chain of carbon atoms with an acidic carboxyl group at one end. Carbon chain of saturated fats types has single bonds only; that of unsaturated types has one or more double bonds

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13
Q

lipid

A

Fatty, oily or waxy organic compound

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14
Q

Phospholipid

A

a lipid with a phosphate group in its hydrophilic head and two polar non polar fatty acids tails; main constituent of eukaryotic cell membranes

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15
Q

steroid

A

Type of lipid with four carbon rings and no fatty acid tails

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16
Q

triglyceride

A

A fat with three fatty acid tails

17
Q

wax

A

Water-repelent mixture of lips with long fatty acid tails bonded to long-chain alcohols or carbon rings

18
Q

amino acid

A

Small organic compound that is subunit of proteins. consists of a carboxyl group, an amine group, and a characteristic side R group, all typically bonded to the same carbon atom.

19
Q

Peptide bond

A

A bond between the amine group of one animo acid and the carboxyl group of another. Joins animo acids in proteins

20
Q

Polypeptide

A

chain of amino acids linked by peptide bonds

21
Q

Protein

A

Organic compound that consists of one or more chains of amino acids (polypeptide)

22
Q

denature

A

To unravel the shape of a protein or other large biological molecule

23
Q

prion

A

Infections Protein

24
Q

ATP

A

adenosine triphosphate. Nucleotide that consists of an adenine bade, a five carbon ribose sugar and three phosphate groups

25
Q

DNA

A

deoxyribonucleic acid. Nucleic acid that carries hereditary information about traits; consists of two nucleotide chains twisted in a double helix

26
Q

nucleic acid

A

Sigle on double stranded chain of nucleotides joined by sugar-phophate bonds; E.G. DNA and RNA.

27
Q

RNA

A

ribonucleic acid. Some types have roles in protein synthesis.