WorksheetsFood Chemistry Review
Total questions: 23
Worksheet time: 12mins
Proteins, CHOs, and Lipids all contain which 3 elements?
N, P, K
C, H, N
C, H, O
N, H, O
Almost all carbohydrates are produced by _________.
cellular respiration
transpiration
photosynthesis
digestion
Which of the following is NOT a classification of a carbohydrate?
sugar
sterol
starch
fiber
Which of the following is NOT a function of carbohydrates?
reducing agent
solids replacement
palatability
emulsifier
The Maillard Reaction is a chemical reaction between ____ and ____ to produce color, aromas, and flavors.
sugars, amino acids
sugars, starches
sugars, sugars
amino acids, lipids
What is the basic unit of a carbohydrate?
amino acid
fatty acid
monosaccharide
sugar
An inverted sugar is the chemical breakdown of a ______ into its separate monosaccharides.
polysaccharide
disaccharide
polypeptide
peptide
Which of the following is an example of a polysaccharide?
sucrose
galactose
glucose
starch
Select all of the fat soluble vitamins.
A
C
D
E
K
True or False: A plant based lipid is referred to as an 'oil' and is usually liquid at room temperature due to its unsaturated fatty acids.
True
False
Lipids are made up of _ fatty acid molecules and _ glycerol molecules.
2, 2
1, 3
1, 4
3, 1
Saturated lipids are saturated with ____.
Oxygen
Hydrogen
Carbon
Nitrogen
Hydrogenation is the act of adding hydrogen to lipids to _____ double bonds in order to form a solid.
create
strengthen
remove
weaken
Lipids act as a leavening agent in food. This is due to the slight _____ of molecules.
charge
polarity
stickiness
A fine dispersion of small droplets of one liquid in another in which it is not soluble.
stabilizer
binder
solution
emulsion
True or False: An essential amino acid is synthesized by the body.
True
False
What is the mnemonic that we use to remember the 9 essential amino acids? (Hint: for the quiz, familiarize yourself with the names of the 9 essential amino acids)
(a)
An amino acid is made up of 3 groups. Which of the following is NOT one of them?
amino group (NH2)
saccharide group (SH3)
R group
carboxyl group (COOH)
A specialty protein that helps break down other substances and catalyzes chemical reactions.
hormone
enzyme
peptide
Caramelization is a reaction between _____ and _____.
sugars, amino acids
amino acids, amino acids
sugars, sugars
sugars, starches
A chain of amino acids that is longer than 100 amino acids. (choose the most correct answer)
peptide
polypeptide
protein
A group of multiple polypeptide chains clumped together.
Primary structure
Secondary structure
Tertiary structure
Quaternary structure
By adding heat, enzymes, fermenters, or changing the pH, you can ________ or unfold a protein.
denature
coagulate
thicken
invert
