Food Science Exam 2014 Flashcards
Enzymes are important to the food industry for many reasons, and it is important to understand how certain conditions affect their activity. Which conditions do not affect the activity of enzymes?
density
Water that cannot be easily separated in food is called ____.
bound water
When using a scale, this procedure is used to find the mass of a substance but not its container.
Taring
This is a potential defect in dehydration caused by temperatures that are too high. It results in a hard outer layer that traps moisture inside a product.
Case-hardening
The original form of this sweetener was not stable when heated. It is often used to sweeten soft drinks and was not used for baked goods or cooked products.
Aspartame
The wheat kernel is made of three parts. This portion is rich in fiber and contains many B-vitamins as well as iron.
Bran
A(n) ____ is a substance made of two or more different elements chemically joined together.
compound
Six essential nutrients are needed to keep the human body working well. This nutrient is often called the body’s building block and aids in growth and healing after injuries.
Protiens
A lipoprotein is a large, complex molecule of lipids and protein, and it carries lipids in the blood. A high level of this particular lipoprotein increased the risk of heart disease.
LDL
Lactic-acid bacteria can be used in the production of all the following foods, except ____.
vinegar
Silicon dioxide is a common food additive that serves as a(n) ____?
anticaking agent
____ is the distinctive quality that comes from a food’s unique blend of appearance, taste, odor, feel, and sound.
Flavor
Through this process, matter and energy transfer between organisms as food. Is this process called ____?
the food chain
____ is cultivating a variety of plants and animals. It involves less reliance on a few food sources.
Biodiversity
____ is a protein made by the body. It controls acid secretion.
Gastrin
____ is energy used by a body at rest to maintain automatic, life-supporting processes.
Basal metabolism
While having almost no mass, this particle determines whether a chemical reaction takes place.
Electron
A protein that contains all the essential amino acids in food is called a(n) ____ protein.
complete
This symbol shows that a food has been irradiated. It appears either on the food label or on a sign nearby is called ____.
radura
This system that was developed for NASA is utilized by FSIS to prevent foodborne hazards. This system is ____.
HACCP