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Flashcards in Unit 2 Review Deck (52)
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1

BLANK allows lipids to be absorbed through the wall of the small intestine and used as energy in the body.

Bile

2

The carbon bound to three hydrogens on one end of a fatty acid is called a _______ group.

methyl

3

What is the process by which isolators prevent microorganisms from reaching the animals housed inside?

Exclusion

4

Which term refers to the thousands of microbial species that inhabit a specific host?

Microbiome

5

Which enzyme works with gastric acid to break down protein in the digestive system?

Pepsin

6

What breaks down dietary fiber?

Bacteria

7

Which of the following is a disaccharide?

Sucrose

8

Which carbohydrate serves as energy storage in animals?

Glycogen

9

From what is the hormone prostaglandin derived?

Lipids

10

Cloning DNA is accomplished by either polymerase chain reaction (PCR) or by using:

bacteria

11

When wild-type females are mated with hemizygous or heterozygous males, approximately what proportion will have the desired genotype?

50%

12

How do restriction enzymes cut DNA in a sample into several smaller pieces?

They bind at specific base pair sequences and cut the DNA at those sites.

13

What best describes a peptide?

Small protein

14

Which carbohydrate is a monosaccharide?

Glucose

15

What must be checked to ensure that a bag of feed has stable vitamin content?

Shelf life

16

Which factor can lead to the embryos collected from donor females for injection of modified DNA not being at the appropriate cell stage of development?

Light cycle was disrupted.

17

What is the process by which isolators prevent microorganisms from reaching the animals housed inside?

Exclusion

18

The component parts of triglycerides are free fatty acids and __________ .

glycerol

19

Which of the following procedures determines the level of mRNA transcripts in a sample?

Quantitative RT-PCR

20

The deficiency of which essential micromineral results in impaired glucose metabolism?

Chromium

21

Which carbohydrate is what is known as table sugar?

Sucrose

22

The roles of cell-to-cell communication and self-recognition by the immune system are fulfilled by:

glycoproteins

23

What carbohydrate serves as energy storage in animals?

Glycogen

24

The carbon bound to three hydrogens on one end of a fatty acid is called a _______ group.

methyl

25

What best describes a peptide?

Small protein

26

What must be checked to ensure that a bag of feed has stable vitamin content?

Shelf life

27

What is NOT a dietary macromineral?

Copper

28

What statement regarding fixed and managed formulations of dietary feed is FALSE?

In a managed formulation, the least expensive ingredients, according to the market price, are used

29

What are the four bases found in DNA?

Adenine, guanine, cytosine, thymine

30

What bases can pair together in DNA?

Guanine–Cytosine