ASC 378 EXAM 4 QUESTIONS AND CORRECT
ANSWERS
The correct chemical formula for vitamin A is - Answers - C20H30O
With regards to pellagra, high intake of molasses could lead to - Answers - Diarrhea
The deficiency of this vitamin results in xeropthalmia (or dry eye condition) and
testicular degeneration - Answers - Vitamin A
The functions of vitamin C include which of the following
a.Tyrosine metabolism
b.Hydroxylation of proline
c. Acts as antihistamine
d. All of the above - Answers - All of the above
This vitamin is fat soluble - Answers - α-tocopherol
Formiminoglutamic acid is found in large amount in the urine of animals that are
deficient in? - Answers - Folic acid
The main storehouse of vitamin A is the - Answers - Liver
The most popular synthetic form of vitamin A is - Answers - Palmitate
Which of the following all-trans isomers of carotenoid is the most potent? - Answers - β-
carotene
This vitamin is not stored in the body of animals (pig is an exception) - Answers -
Thiamine
The degenerative changes in the testes of an animal as a result of this vitamin is not
reversible - Answers - Vitamin E
The most active form of vitamin E is the _____ form - Answers - Alpha
In terms of relative potency of vitamin A isomer, which of the follow is the most potent? -
Answers - All-trans
In the absence of this vitamin, pyruvic acid and lactate accumulate in the blood and
tissue of an animal - Answers - Thiamine
, The vitamin that is phosphorylated in the liver (post absorption) and is involved in
protein/amino acid metabolism is known as - Answers - Pyridoxine
The process through which nonessential amino acids are synthesized (transamination
reaction) requires a certain vitamin. In addition to transamination, this vitamin also plays
an important role in the decarboxylation reactions in the body of an animal - Answers -
Pyridoxine
Avidin is a protein in egg white, is an antagonistic to - Answers - Biotin
The deficiency of _______ (a vitamin) results in a situation in which certain amino acid
cannot be condensed with succinyl CoA to form α-amino-β-ketoadipic acid which is the
initial step in heme synthesis. What is this name of this vitamin and amino acid? -
Answers - Pyridoxine; Glycine
The following are symptoms of pellagra (caused by niacin deficiency) in man except -
Answers - Fetal reabsorption
This vitamin is sensitive to acid, base, and heat and it is normally sold as its calcium
salt. It is also involved in the acetylation of choline - Answers - Pantothenic acid
This vitamin occurs in nature and in natural products in bound form and serves as a
prosthetic group for a series of enzymes that incorporate CO2 into organic linkages -
Answers - Biotin
Hemorrhagic sweet clover disease is a problem associated with antagonism between
dicoumarol and vitamin______ - Answers - K
As a result of pancreatic cancer, the pancreas of a cow is completely removed but the
animal is supplied with adequate amount of insulin on a daily basis. Despite this, the
animal still developed a condition that is known as "fatty liver". As discussed in class,
the deficiency of which vitamin would result in this condition (fatty liver)? - Answers -
Choline
This vitamin serves as a donor of methyl group mediated through its role in forming S-
adenosylmethionine (SAM) - Answers - Choline
One of the vitamins that we discussed in class occurs in two forms - a reduced form that
is readily oxidized to a dehydro form. However, both of these forms are biologically
active. Which of the following is the vitamin. - Answers - Vitamin C
This vitamin is involved in tyrosine metabolism - Answers - Vitamin C
The most common non-nutritive feed additives in use include a.Hormones and their
derivatives
b.Antibacterial agents
ANSWERS
The correct chemical formula for vitamin A is - Answers - C20H30O
With regards to pellagra, high intake of molasses could lead to - Answers - Diarrhea
The deficiency of this vitamin results in xeropthalmia (or dry eye condition) and
testicular degeneration - Answers - Vitamin A
The functions of vitamin C include which of the following
a.Tyrosine metabolism
b.Hydroxylation of proline
c. Acts as antihistamine
d. All of the above - Answers - All of the above
This vitamin is fat soluble - Answers - α-tocopherol
Formiminoglutamic acid is found in large amount in the urine of animals that are
deficient in? - Answers - Folic acid
The main storehouse of vitamin A is the - Answers - Liver
The most popular synthetic form of vitamin A is - Answers - Palmitate
Which of the following all-trans isomers of carotenoid is the most potent? - Answers - β-
carotene
This vitamin is not stored in the body of animals (pig is an exception) - Answers -
Thiamine
The degenerative changes in the testes of an animal as a result of this vitamin is not
reversible - Answers - Vitamin E
The most active form of vitamin E is the _____ form - Answers - Alpha
In terms of relative potency of vitamin A isomer, which of the follow is the most potent? -
Answers - All-trans
In the absence of this vitamin, pyruvic acid and lactate accumulate in the blood and
tissue of an animal - Answers - Thiamine
, The vitamin that is phosphorylated in the liver (post absorption) and is involved in
protein/amino acid metabolism is known as - Answers - Pyridoxine
The process through which nonessential amino acids are synthesized (transamination
reaction) requires a certain vitamin. In addition to transamination, this vitamin also plays
an important role in the decarboxylation reactions in the body of an animal - Answers -
Pyridoxine
Avidin is a protein in egg white, is an antagonistic to - Answers - Biotin
The deficiency of _______ (a vitamin) results in a situation in which certain amino acid
cannot be condensed with succinyl CoA to form α-amino-β-ketoadipic acid which is the
initial step in heme synthesis. What is this name of this vitamin and amino acid? -
Answers - Pyridoxine; Glycine
The following are symptoms of pellagra (caused by niacin deficiency) in man except -
Answers - Fetal reabsorption
This vitamin is sensitive to acid, base, and heat and it is normally sold as its calcium
salt. It is also involved in the acetylation of choline - Answers - Pantothenic acid
This vitamin occurs in nature and in natural products in bound form and serves as a
prosthetic group for a series of enzymes that incorporate CO2 into organic linkages -
Answers - Biotin
Hemorrhagic sweet clover disease is a problem associated with antagonism between
dicoumarol and vitamin______ - Answers - K
As a result of pancreatic cancer, the pancreas of a cow is completely removed but the
animal is supplied with adequate amount of insulin on a daily basis. Despite this, the
animal still developed a condition that is known as "fatty liver". As discussed in class,
the deficiency of which vitamin would result in this condition (fatty liver)? - Answers -
Choline
This vitamin serves as a donor of methyl group mediated through its role in forming S-
adenosylmethionine (SAM) - Answers - Choline
One of the vitamins that we discussed in class occurs in two forms - a reduced form that
is readily oxidized to a dehydro form. However, both of these forms are biologically
active. Which of the following is the vitamin. - Answers - Vitamin C
This vitamin is involved in tyrosine metabolism - Answers - Vitamin C
The most common non-nutritive feed additives in use include a.Hormones and their
derivatives
b.Antibacterial agents
