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AVS 305 > Midterm exam > Flashcards

Midterm exam Flashcards

1
Q

Compared to ruminants, mono gastric animals cannot utilize cellulose because they cannot produce enzymes that can break down the _____ linkage.

a. a 1-4
b. a 1-6
c. B 1-4
d. B 1-6

A

c

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2
Q

Which of these 3 molecules contain ribose?

a. Ribonucleic acid (RNA)
b. Deoxyribonucleic acid (DNA)
c. Adenosine diphosphate (ADP)
d. Adenosine triphosphate (ATP)

A

a, c, d

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3
Q

The 2 sulfur containing amino acids are?

a. Tryptophan
b. Methionine
c. Lysine
d. Cystine

A

b, d

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4
Q

Which 3 factors influence the biological value of protein?

a. Essential amino acid composition
b. Non-essential amino acid composition
c. Digestibility of a protein
d. Denaturing of a protein

A

a, c, d

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5
Q

When feeding corn-based diets, the 2 amino acids that are most limiting for milk production are?

a. Leucine
b. Lysine
c. Valine
d. Methionine

A

b, d

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6
Q

Saturated fatty acids contain(s) _____ bonds

a. Single carbon to carbon
b. 1 double
c. 2 double
d. 3 double

A

a

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7
Q

The two essential fatty acids are?

a. Lignoceric
b. Linoleic
c. a-Linolenic
d. Oleic

A

b, c

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8
Q

Which of the following is a source of essential fatty acids?

a. Canola seed
b. Flax seed
c. Fish oil
d. All of the above

A

d

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9
Q

What is the difference between a vitamin and a mineral?

a. Vitamins are organic chemicals; minerals are inorganic elements
b. Vitamins are water-soluble; minerals are fat-soluble
c. Vitamins are macronutrients; minerals are micronutrients
d. Vitamins are essential; minerals are non-essential

A

a

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10
Q

Which of the following are stored primarily in the skeleton (bones, skull)?

a. Fluoride
b. Magnesium
c. Phosphorus
d. All of the above

A

d

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11
Q

Lips are an example of what kind of digestive adaptation?

a. Prehension
b. Mastication
c. Degluttition
d. None of the above

A

a

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12
Q

Which of the following regulates the flow of pancreatic juices into the small intestine?

a. Sphincter of Sphynx
b. Sphincter of Oddi
c. Pyloric sphincter
d. Caecum

A

b

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13
Q

Which of the following is NOT a fermentative chamber?

a. Rumen
b. Abomasum
c. Large Intestine
d. Caecum

A

b

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14
Q

Chylomicrons are involved in the transport of which nutrients?

a. Lipids
b. Vitamin A
c. Both
d. Neither

A

c

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15
Q

Which transport system in the body is a closed system?

a. Lymphatic system
b. Circulatory system
c. Operating system
d. None of the above

A

b

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16
Q

True or False

Animal tissue contains a large amount of carbohydrates as a result of blood sugar and stored glycogen.

A

False

17
Q

True or False

As plants mature, the content of lignin decreases, and this leads to a decrease in fiber digestibility.

A

False

18
Q

True or False

During the process of protein synthesis, transcription occurs before translation.

A

True

19
Q

True or False

Insulin plays a key role in regulating lipid metabolism.

A

True

20
Q

True or False

The lipid content of oilseeds is low

A

False

21
Q

True or False

With the exception of conditions including edema and diarrhea, the water balance in animals is always zero.

A

True

22
Q

True or False
Microbial protein provides up to 60% of the amino acids required by ruminants to support growth, reproduction and lactation

A

True

23
Q

True or False

Up to 65% of the energy required by ruminants is derived from the glucose that is absorbed from the rumen.

A

False

24
Q

True or False

Water-soluble vitamins are not typically stored in the body.

A

True

25
Q

True or False

Fat-soluble vitamins are transported through the lymphatic system before the circulatory system.

A

True

26
Q

True or False

Macrominerals are macronutrients

A

False

27
Q

True or False

Intervention studies can determine causal links (i.e determine that A causes B)

A

True

28
Q

True or False

Placebo effect is when a subject changes his/her behavior under observation.

A

False

29
Q

True or False

Control groups are only used in epidemiological studies.

A

False

30
Q

True or False

Both epidemiological studies and intervention studies are important in advancing our understanding of science.

A

True

AVS 305 (1 decks)

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