OTEN

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

proteins 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

Protein

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 protein

Answer 6

amino acid

Question 7

Amino acids that contain an asymmetric α 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 group

Answer 8

Acidic amino acid

Question 9

Contain an equal number of carboxyl and amino groups

Answer 9

Neutral amino acid

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

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

Answer 18

Fibrous proteins

Question 19

How many amino acids are known to exist in nature

Answer 19

300

Question 20

Is commonly used as an amino
acid supplement in animal feeds

Answer 20

DL methionine

Question 21

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

Answer 21

Protein

Question 22

A long chain of amino acid formed by the peptide bonds

Answer 22

Polypeptide

Question 23

Cleave amino acids off the terminal end of the protein molecule

Answer 23

Exopeptidases

Question 24

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

Answer 24

Pepsinogen

Question 25

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

Answer 25

Enterokinase

Question 26

Proteins that are not degraded by rumen microbes

Answer 26

Rumen undegradable proteins

Question 27

Is the major site of amino acid metabolism

Answer 27

Liver

Question 28

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

Answer 28

Deamination

Question 29

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

Answer 29

DNA

Question 30

Are synthesized through the process of transamination

Answer 30

Nonessential amino acids