Ch. 5 Proteins

Question 1

Chemical elements of protein

Answer 1

-Amino acids

C,H,O,N

Question 2

Amino group positive or negative

Answer 2

base, NH2

-positive

Question 3

Carboxyl negative or positive

Answer 3

acid, COOH

negative

Question 4

Amphoteric can behave as an ___ or a ___ depending on the ___ of the solution and can act as a buffer

Answer 4

acid or a base

pH

Question 5

4 types of proteins

Answer 5

1. Myosin
2. Collagen
3. Hemoglobin
4. Albumin

Question 6

Functions of proteins

Answer 6

1. growth

2. tissue building

Question 7

Main physiological role os proteins

Answer 7

-form neurotransmitters for brain and nerve function

Question 8

Improves recovery for patients with sever infection or following surgery or trauma

Answer 8

Leucine

Question 9

Leucine, isoleucine and valine

Answer 9

• positive effects in cancer patients with life threatening malnutrition
• contributes to white blood cell production

Question 10

Arginine and methionine

Answer 10

-tissue regeneration for burn patients

Question 11

state between protein synthesis (anabolism) and protein breakdown (catabolism)

Answer 11

Protein balance

Question 12

4 types of proteins

Answer 12

1. myosin
2. collagen
3. hemoglobin
4. albumin

Question 13

fibrous protein in muscle fiber

Answer 13

myosin

Question 14

structural protein maintains form of bone, cartilage, skin etc.

Answer 14

collagen

Question 15

Globular protein that binds and delivers oxygen to tissues

Answer 15

hemoglobin

Question 16

Major plasma protein, carrier for drugs, hormones, enzymes and trace elements, and broken down in serious illness to supply amino acids

Answer 16

albumin

Question 17

The building of body tissue

Answer 17

anabolism

Question 18

The breaking down of body tissue

Answer 18

catabolism

Question 19

A protein that contains all indispensable amino acids in the amounts needed according to the reference amino acid pattern.

Answer 19

complete protein

Question 20

A protein with a lower amount of one or more of the indispensable amino acids as compared with the reference amino acid pattern or missing an indispensable amino acid needed to form body proteins.

Answer 20

incomplete protein

Question 21

After trauma or surgery, ____ ____ are needed for wound healing and formation of new tissue, as well as the production of infection fighting immune factors.

Answer 21

amino acids