Quiz 3

Question 1

It is water soluble; present as albumen in egg white; in blood circulation, it performs various functions [e.g., as a carrier of lipids])

Answer 1

ALBUMIN

Question 2

It is insoluble in water and are resistant to digestive enzymes

Answer 2

FIBROUS PROTEIN

Question 3

A protein with sugar

Answer 3

GLYCOPROTEINS

Question 4

Are organic compounds made up of different building blocks (basic units) called amino acids joined together by peptide bonds

Answer 4

PROTEINS

Question 5

Is high in protein (keratin) but very low in digestibility and is of limited use in animal nutrition as a feed ingredient.

Answer 5

FEATHER MEAL

Question 6

Are the building blocks of proteins

Answer 6

AMINO ACIDS

Question 7

Amino acid that contain an asymmetric a-carbon (with four different chemical groups attached to it)

Answer 7

GLYCINE

Question 8

Contain more carboxyl groups, and basic amino acids contain more amino groups

Answer 8

ACIDIC AMINO ACIDS

Question 9

Contain an equal number of carboxyl and amino groups.

Answer 9

NEUTRAL AMINO ACIDS

Question 10

Are those that cannot be synthesized by the animal body. There are 10 essential amino acids; cats need taurine, and chickens need glycine.

Answer 10

ESSENTIAL AMINO ACIDS

Question 11

Is the process by which ingested feed is broken down physically and chemically to simple products for absorption from the digestive tract

Answer 11

DIGESTION

Question 12

Soluble in dilute neutral solutions; functions as part of the immune system in body defense [e.g., immunoglobulins]

Answer 12

GLOBULIN

Question 13

Proteins with heme units

Answer 13

HEMOPROTEIN

Question 14

Proteins bound to nucleic acid

Answer 14

NUCLEOPROTEIN

Question 15

Remove an amino acid from the end with a free carboxyl group, and aminopeptidase act on the terminal amino acid with a free amino group.

Answer 15

CARBOXYPEPTIDASES

Question 16

Break peptide bonds within the primary structure into smaller fragments

Answer 16

ENDOPEPTIDASES

Question 17

It is activated to form pepsin (active form) through HCl produced by parietal cells of the gastric mucosa.

Answer 17

PEPSINOGEN

Question 18

Insoluble in water and are resistant to digestive enzymes 300 How many amino acids are known to exist in nature.

Answer 18

FIBROUS PROTEIN

Question 19

It is commonly used as an amino acid supplement in animal feeds.

Answer 19

DL METHIONINE

Question 20

It can be found in structural components of the body and are needed for many metabolic functions

Answer 20

PROTEINS

Question 21

A long chain of amino acid formed by peptide bonds.

Answer 21

POLYPEPTIDE

Question 22

Cleave amino acids off the terminal end of the protein molecule

Answer 22

EXOPEPTEDASIS

Question 23

The presence of food in the stomach leads to the secretion of this substance by the chief cells of the gastric mucosa.

Answer 23

GASTRIN

Question 24

Also secreted at the duodenum, converts trypsinogen into trypsin, which then converts chymotrypsinogen and procarboxypeptidase to their active forms-chymotrypsin and carboxypeptidase

Answer 24

ENTEROKINASE

Question 25

Proteins that are not degraded by rumen microbes

Answer 25

ESCAPED/BYPASSED/ RUMEN UNDEGRADABLE PROTEINS

Question 26

The major site of amino acid metabolism

Answer 26

LIVER

Question 27

Is the removal of amino groups from amino acids to form ammonia

Answer 27

DEAMINATION

Question 28

Contains the genetic code of the animal and is the blueprint of protein synthesis

Answer 28

DNA

Question 29

Are synthesized through the process of transamination

Answer 29

NONESSENTIAL AMINO ACIDS