Protein

Question 1

What is the acidic amino acids?

Answer 1

1-asparitic acid
2-Glutamic acid

Question 2

What is the basic amino acids ?

Answer 2

Arginine,Histidine,Lysine

Question 3

What are the essential amino acids?

Answer 3

1-try: Tryptophan
2-this:threonine , histidine
3-VIP: valine,Isolysine, phenylalanine
4-Mall:methionine,arginine,leucine,lysin

Question 4

What are the ketogenic amino acids,

Answer 4

leucin,lysine

Question 5

What is the mixed amino acids ?

Answer 5

F! phenylalanine
I: isoleucine
T:Tyrosine
T: Tryptophan
T:threonine

Question 6

Semi essential amino acid synthesized in our body in small amount

Answer 6

Arginine

Question 7

Albulin and globulin (characters & sites)

Answer 7

1- Both are cogulted by heat.
Egg ,-blood ,milk plants.

Question 8

Proteins rich in acidic amino acids

Answer 8

Glutelin ,prolamine(gliadins)

Question 9

Site of glutelin , prolamine

Answer 9

1 wheat+ zeine of maize (prolamine)

Question 10

Basic proteins that contain basic amino acids

Answer 10

Protamine, histones

Question 11

What is the site of protamine

Answer 11

Spermatozoa of salmon fish

Present in

DNA

+ In combination with nucleic acid (DNA) + In combination with nu

e.g. Nucleoprotein (chromatin)

Question 12

Protein present in spermatozoa of salamon fish

Answer 12

Protamine

Question 13

Nucleuprotein is ………..

Answer 13

Chromatin

Question 14

Sscleroproteins is a term relating to……

Answer 14

Albuminoids

Question 15

The only protein ,one of albuminoids, digested by proteolytic enzymes……

Answer 15

Elastin

Question 16

Characters of albuminoids

Answer 16

Not soluble in water
Not coagulated by heat.
Not digested by proteolytic enzymes (except elastin)

+ Not present in plant tissues (Le. present only in animal tissues))

+Have supportive and protective functions (fibrous proteins).

Question 17

Sites of keratin

Answer 17

Hair,nails ,dermis

Question 18

Structure of keratin

Answer 18

Rich in sulfur amino acid such as ,cysteine

Question 19

An example of sulfur amino acids

Answer 19

Cysteine

Question 20

What is the site of elastin

Answer 20

Elastic tissues, wall of lung ,ligament ,arteries, joints

Question 21

Elastin rich in …….,………

Answer 21

Proline ,hydroxy proline

Question 22

Collagen rich in ……,……

Answer 22

Proline ,hydroxy proline

Question 23

Sites of collagen

Answer 23

Skin,connective tissue

Question 24

Collagen convert to…….by boiling

Answer 24

Gelatin