ANSC 221 EXAM WITH ALL CORRECT
ANSWERS
What essential amino acid contains sulfur? - Answer-Methionine
What are the first two limiting amino acids in corn for pigs, in most limiting to least? -
Answer-1 Lysine, 2 Tryptophan
List the 3 VFA's (volatile fatty acids): - Answer-acetic, propionic, butyric
Define tryglyceride: - Answer-1 Glycerol and 3 fatty acids
List the two predominant long chain saturated fatty acids in beef fat. - Answer-palmitic
and stearic
List the 3 essential fatty acids - Answer-linoleic, linolenic, arachidonic
List 4 nutrition deficiencies (besides Vitamin K) that result in anemia as a major
symptom, in farm animals: - Answer-B6, B12, Cu, Co
What happens to the extra protein if we eat more than is required? - Answer-The
nitrogen is excreted and the rest of the molecule is used for energy
What is the most important thing your instructor intends to teach you about feed
additives? - Answer-They are regulated and the regulations need to be followed
Which of the following is a toxic mineral not presently known as essential: - Answer-Hg
(mercury)
Golden Age of Nutrition - Answer-Stephen Babacock
6 Classes of Nutrients - Answer-Water, Lipids, Proteins, Carbohydrates, Minerals,
Vitamins
Property of water that makes it useful for transporting nutrients and as medium for
chemical reactions? - Answer-High dielectric constant
Property of water operating when an animal is cooled by sweating - Answer-High latent
heat of vaporization
, What are 3 different sources of water for animals? - Answer-Drinking water, metabolic
water, and water in feed
What nutrient class contains the most energy per gram? - Answer-fats
What nutrient class comprises most of livestock diets? - Answer-Carbohydrates
Carbohydrates and fats are composed of the same ELEMENTS; what is the difference
in elemental composition that partly explains the difference in energy content? -
Answer-Fats contain less oxygen, which causes the more carbon and hydrogen to
produce more energy
Carbohydrates are composed of what kind of MOLECULES? - Answer-Sugars and
Monosaccharides
What is the function of carbohydrates IN THE DIET? - Answer-Energy
What are the functions of fat in the diet? - Answer-Store energy, supply fatty acids
Proteins are composed of what kind of MOLECULES? - Answer-Amino Acids
What are the functions of proteins IN THE DIET? - Answer-Supply amino acids to make
protein, and use the rest to create energy
Distinguish between true protein (protein thats really important) and Crude Protein? -
Answer-True protein is composed of amino acids connected together by peptide bonds
in complex molecules, while Crude Protein is our estimate of that based on nitrogen
content.
Which of the following is a pentose? - Answer-Ribose
What are the 2 main concerns about feeding antibiotics? - Answer-Antibiotic residues in
tissue
Microbial resistance to antibiotics
Monosaccharide that cellulose is composed of: - Answer-glucose
Substance in protein used to distinguish protein from starch and cellulose: - Answer-
nitrogen
Form of starch in plants with a straight-chain structure: - Answer-Amylose
Substance in plants that animals cannot digest without microbial help: - Answer-
cellulose
Table sugar - Answer-sucrose
ANSWERS
What essential amino acid contains sulfur? - Answer-Methionine
What are the first two limiting amino acids in corn for pigs, in most limiting to least? -
Answer-1 Lysine, 2 Tryptophan
List the 3 VFA's (volatile fatty acids): - Answer-acetic, propionic, butyric
Define tryglyceride: - Answer-1 Glycerol and 3 fatty acids
List the two predominant long chain saturated fatty acids in beef fat. - Answer-palmitic
and stearic
List the 3 essential fatty acids - Answer-linoleic, linolenic, arachidonic
List 4 nutrition deficiencies (besides Vitamin K) that result in anemia as a major
symptom, in farm animals: - Answer-B6, B12, Cu, Co
What happens to the extra protein if we eat more than is required? - Answer-The
nitrogen is excreted and the rest of the molecule is used for energy
What is the most important thing your instructor intends to teach you about feed
additives? - Answer-They are regulated and the regulations need to be followed
Which of the following is a toxic mineral not presently known as essential: - Answer-Hg
(mercury)
Golden Age of Nutrition - Answer-Stephen Babacock
6 Classes of Nutrients - Answer-Water, Lipids, Proteins, Carbohydrates, Minerals,
Vitamins
Property of water that makes it useful for transporting nutrients and as medium for
chemical reactions? - Answer-High dielectric constant
Property of water operating when an animal is cooled by sweating - Answer-High latent
heat of vaporization
, What are 3 different sources of water for animals? - Answer-Drinking water, metabolic
water, and water in feed
What nutrient class contains the most energy per gram? - Answer-fats
What nutrient class comprises most of livestock diets? - Answer-Carbohydrates
Carbohydrates and fats are composed of the same ELEMENTS; what is the difference
in elemental composition that partly explains the difference in energy content? -
Answer-Fats contain less oxygen, which causes the more carbon and hydrogen to
produce more energy
Carbohydrates are composed of what kind of MOLECULES? - Answer-Sugars and
Monosaccharides
What is the function of carbohydrates IN THE DIET? - Answer-Energy
What are the functions of fat in the diet? - Answer-Store energy, supply fatty acids
Proteins are composed of what kind of MOLECULES? - Answer-Amino Acids
What are the functions of proteins IN THE DIET? - Answer-Supply amino acids to make
protein, and use the rest to create energy
Distinguish between true protein (protein thats really important) and Crude Protein? -
Answer-True protein is composed of amino acids connected together by peptide bonds
in complex molecules, while Crude Protein is our estimate of that based on nitrogen
content.
Which of the following is a pentose? - Answer-Ribose
What are the 2 main concerns about feeding antibiotics? - Answer-Antibiotic residues in
tissue
Microbial resistance to antibiotics
Monosaccharide that cellulose is composed of: - Answer-glucose
Substance in protein used to distinguish protein from starch and cellulose: - Answer-
nitrogen
Form of starch in plants with a straight-chain structure: - Answer-Amylose
Substance in plants that animals cannot digest without microbial help: - Answer-
cellulose
Table sugar - Answer-sucrose
