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CCP 4.1 - Pharmaceutical Biochemistry (Lab) > MIDTERM 01 - Enzymes > Flashcards

MIDTERM 01 - Enzymes Flashcards

1
Q

Are proteins that acts as catalysts in biochemical reactions

A

Enzymes

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2
Q

A substance that can be added to a reaction to increase the reaction rate without getting consumed in the process

A

Catalysts

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3
Q

A disaccharide composed of an alpha-D-glucose molecule + beta D-fructose molecule linked by alpha-1,4-glycosidic bond

A

Sucrose/Table sugar

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4
Q

A liquid sweetener made from table sugar (sucrose) and water

A

Invert sugar

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5
Q

A beta-fructofuranosidase mainly used in the food (confectionery) industry

A

Invertase

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6
Q

Commercial invertase is biosynthesized by yeast strains of __________ or __________

A

Saccharomyces cerevisiae, Saccharomyces calsbergensis

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7
Q

Are sugars capable of acting reducing agents because it has a free aldehyde group or a ketone group

A

Reducing sugars

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8
Q

1 example of non-reducing sugar

A

Sucrose

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9
Q

Glucose + Glucose = __________

A

Maltose

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10
Q

Glucose + Galactose = __________

A

Lactose

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11
Q

Glucose + Fructose = __________

A

Sucrose

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12
Q

An aromatic compound that reacts with reducing sugars and other reducing molecules to form 3-amino-5-nitrosalicylic acid

A

DNS/3,5-dinitrosalicylic acid

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13
Q

DNS strongly absorbs light at __________ nm

A

540 nm

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14
Q

Method that detects the presence of free carbonyl group of reducing sugars; it involves the oxidation of aldehydes in glucose and ketones in fructose

A

DNS colorimetric method

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15
Q

The most favorable pH value; the point where the enzymes are most active

A

Optimum pH

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16
Q

Most of the enzymes rapidly become denatured at temperature above __________°C

A

40°C

17
Q

Storage of enzymes at __________°C or below is generally the most suitable

A

5°C

18
Q

Enzyme that contains only substrate and enzyme

A

Simple enzyme

19
Q

Enzymes that are made up of protein groups (Apoenzyme) and nonprotein component (Cofactor)

A

Holoenzyme

20
Q

Other name for Vitamin B2

A

Riboflavin

21
Q

Other name for Vitamin B3

A

Niacin

22
Q

Other name for Vitamin B5

A

Pantothenic acid

23
Q

Meaning of FADH2

A

Flavine Adenine Dinucleotide

24
Q

A cofactor that is bound tightly to the apoenzyme and is difficult to remove without damaging the enzyme

A

Prosthetic groups

CCP 4.1 - Pharmaceutical Biochemistry (Lab) (4 decks)

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