About this Study Set
This study set covers Gastronomy through
15 practice questions.
Advanced scientific principles governing food science, molecular structures, and chemical reactions in professional gastronomy. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 15 questions from the
Scientific Gastronomy and Food Chemistry study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which chemical compound is responsible for the 'hot' sensation of capsaicin binding to TRPV1 receptors, and what is its chemical structure classification?
-
A
Alkaloid
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B
Phenolic amide
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C
Terpenoid
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D
Glycoside
2
During the Maillard reaction, which specific sugar-amino acid interactions are primary precursors for the formation of melanoidins?
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A
Glucose and proline
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B
Fructose and glycine
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C
Ribose and lysine
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D
Sucrose and valine
3
In the context of meat science, what is the primary structural protein that undergoes gelatinization when cooked at temperatures exceeding 65°C for extended periods?
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A
Actin
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B
Myosin
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C
Collagen
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D
Elastin
4
What is the specific physical process known as 'spherification' in molecular gastronomy, and which substance acts as the gelling agent?
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A
Thermal denaturation; Agar-agar
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B
Calcium-induced polymerization; Sodium alginate
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C
Protein coagulation; Gelatin
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D
Enzymatic cross-linking; Transglutaminase
5
The 'umami' taste is primarily triggered by the binding of L-glutamate to which specific G protein-coupled receptor?
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A
T1R1/T1R3
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B
T1R2/T1R3
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C
T2R
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D
CD36
6
What chemical process occurs when chlorophyll loses its central magnesium atom and replaces it with hydrogen during prolonged heating in acidic conditions?
-
A
Oxidation to pheophytin
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B
Reduction to chlorophyllide
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C
Hydrolysis to carotenoids
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D
Isomerization to lutein
7
In emulsification, what is the 'HLB value' a measure of, and what does it determine?
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A
Heat Load Balance; thermal stability
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B
Hydrophilic-Lipophilic Balance; surfactant efficiency
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C
Hydration Level Buffer; moisture retention
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D
Hydrogen Lattice Bond; protein viscosity
8
Which specific enzyme is responsible for the enzymatic browning process in fruits like apples and pears when the cell structure is disrupted?
-
A
Polyphenol oxidase
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B
Lipoxygenase
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C
Amylase
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D
Peroxidase
9
What is the scientific term for the 'weeping' or release of liquid from a gel structure, often caused by the contraction of the polymer network?
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A
Syneresis
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B
Coalescence
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C
Flocculation
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D
Ostwald ripening
10
In chocolate tempering, which crystalline form (polymorph) of cocoa butter is desired for its optimal snap, shine, and melting point?
-
A
Form III
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B
Form IV
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C
Form V
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D
Form VI
11
Which fatty acid is the primary substrate for the volatile compound 'hexanal', which contributes to the characteristic 'grassy' aroma in vegetable oils?
-
A
Linoleic acid
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B
Oleic acid
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C
Stearic acid
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D
Palmitic acid
12
Why does the addition of salt to water increase the boiling point, a phenomenon known as boiling-point elevation?
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A
Increase in vapor pressure
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B
Reduction of the chemical potential of the solvent
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C
Formation of covalent bonds with water
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D
Increase in the latent heat of vaporization
13
What is the role of 'transglutaminase' in meat processing, specifically regarding protein chemistry?
-
A
Hydrolysis of peptide bonds
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B
Covalent cross-linking of lysine and glutamine residues
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C
Denaturation of sarcoplasmic proteins
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D
Solubilization of myofibrillar fat
14
Which phenomenon describes the migration of water molecules from a higher concentration to a lower concentration through a semi-permeable membrane, crucial in brining?
-
A
Diffusion
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B
Osmosis
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C
Adsorption
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D
Absorption
15
What happens to the molecular structure of starch when it undergoes gelatinization?
-
A
Hydrolysis into glucose
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B
Fragmentation into dextrins
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C
Swelling and loss of crystallinity
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D
Condensation into amylopectin
