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Intro To Biology > Biological Molecules > Flashcards

Biological Molecules Flashcards

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1
Q

Monomers

A

Smaller units from which larger molecules made

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2
Q

Polymers

A

Molecules made from large number of monikers joined

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3
Q

Condensation reaction

A

Joins two molecules together to form a chemical bond eliminating molecule of water

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4
Q

Hydrolysis reaction

A

Breaks chemical bond between 2 molecules and involving use of water molecule

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5
Q

Monosaccharide

A

Monomers from which larger carbohydrates are made

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6
Q

How is glycosidic bond formed

A

Condensation reaction between two monosaccharide

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7
Q

3 examples of polysaccharides

A

Glycogen starch cellulose

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8
Q

Benedict’s test reducing sugar

A

Heat solution of food with equal vol of Benedict’s solution for 5 min solution turns orange brown if reducing sugar is present

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9
Q

2 groups of lipids

A

Phospholipids fats

Triglycerides oils

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10
Q

4 roles of lipids

A

Energy waterproofing insulation protection

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11
Q

Ester bond

A

Bond formed by condensation reaction between glycerol and fatty acid

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12
Q

Emulsion test lipids

A

Mix samples with ethanol in tube shake and add water shake again cloudy white colour indicates lipid present

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13
Q

Monomers makeup proteins

A

Amino acid

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14
Q

Structure of amino acid

A

………..r……………
h2n.. c .. cooh
……..h…………

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15
Q

Peptide bond formed

A

Condensation reaction between two amino acids

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16
Q

Polypeptide

A

Many amino acids joined together

17
Q

Biuret test for proteins

A

Mix sample with Hydroxide solution at room temp add dilute copper 2 sulfate mix purple colour indicates peptide bonds present

18
Q

Enzyme affect Reaction

A

Lowers activation energy

19
Q

5 factors enzyme affect

A 
Temp
 ph
 enzyme conc
 substrate conc 
Inhibitor conc
20
Q

Competitive inhibitor

A

Molecule with similar shape to substrate allowing it to occupy active site

21
Q

Non competitive inhibitor

A

Molecule changes shape of enzyme by binding

Intro To Biology (3 decks)

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