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Physical and Chemical Principles > Biochemical Engineering > Flashcards

Biochemical Engineering Flashcards

1
Q

Bacteria which convert alcoholic solutions to vinrgar are ____.

A. Coli
B. Acetobacters
C. Bacili
D. Streptococcus

A

B. Acetobacters

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2
Q

Plants that are devoid of chlorophyll and are therefore unable to synthesize their own food.

A. Fungi
B. Bacteria
C. Virus
D. Algae

A

A. Fungi

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3
Q

The only source that naturally contains vitamin D.

A. Sunlight
B. Meat
C. Fish oil
D. Orange

A

C. Fish oil

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4
Q

It is the major form of stored carbohydrate in animals.

A. Glycogen
B. Starch
C. Amylose
D. Amylopectin

A

A. Glycogen

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5
Q

Hydrolysis of one mole of sucrose gives

A. 1 mole of glucose and 1 mole of galactose
B. 1 mole of glucose and 1 mole of fructose
C. 2 moles of glucose
D. 1 mole of mannose and 1 mole of glucose

A

B. 1 mole of glucose and 1 mole of fructose

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6
Q

A hormone secreted by the pancreas that regulates glucose metabolism is called

A. Bile
B. Insulin
C. Alanine
D. Cortisol

A

B. Insulin

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7
Q

Bacteria which grow over the temperature of 30°C to 40°C are called

A. Psychrophiles
B. Hydrophiles
C. Mesophiles
D. Thermophiles

A

C. Mesophiles

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8
Q

Which of the following is saturated fatty acid?

A. Oleic acid
B. Linoleic acid
C. Arachidonic acid
D. Palmitic acid

A

D. Palmitic acid

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9
Q

It states that there is a topographical, structural compatibility between an enzyme and its substrate.

A. Lock and Key Theory
B. Briggs-Haldane Model
C. Michaelis-Menten Model
D. Compatibility Theory

A

A. Lock and Key Theory

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10
Q

The enzyme in the stomach is

A. Urease
B. Papase
C. Pepsin
D. Bromelin

A

C. Pepsin

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11
Q

These are the most abundant organic molecules in living cells.

A. Proteins
B. Carbohydrates
C. Lipids
D. Fats

A

A. Proteins

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12
Q

The biological decomposition of organic matter accompanied by the production of foul smelling products in an anaerobic condition is

A. Pollution
B. Putrefaction
C. Dissolution
D. Stabilization

A

B. Putrefaction

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13
Q

The specific growth rate of yeast is

A. 0.13/day
B. 0.26/day
C. 0.39/day
D. 0.53/day

A

C. 0.39/day

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14
Q

This is the early period of growth where thr organism adjust to its new environment

A. Stationary phase
B. Logarithmic phase
C. Lag phase
D. Decline phase

A

C. Lag phase

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15
Q

There are several forms suggested by which thr hyperbolic Michaelis-Menten equation may be expressed linearly. If the substrate concentration, S, is plotted against reaction velocity, V; a linear plot is obtained. The equation is called

A. Lineweaver and Burke
B. Eadie-Hofstee
C. Hanes-Wolf
D. Eisentahl and Cornish-Bowden

A

D. Eisentahl and Cornish-Bowden

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Physical and Chemical Principles (6 decks)

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