Non-enzymatic Protein Function and Protein Analysis

Question 1

Where are structural and motor proteins found

Answer 1

within individual cells and in the extracellular matrix

Question 2

What are the primary structural proteins in the body

Answer 2

• collagen
• elastin
• keratin
• actin
• tubulin

Question 3

What the meaning of a structural protein motif

Answer 3

the highly repetitive secondary structure and a super secondary structure that structural proteins have

Question 4

What gives structural proteins their fibrous nature

Answer 4

motif - the highly repetitive secondary structure and a super secondary structure that structural proteins have

Question 5

What do structural proteins compose in the body

Answer 5

• cytoskeleton
• anchoring proteins
• majority of extracellular matrix

Question 6

What main structural protein makes up most of the extracellular matrix of connective tissue

Answer 6

• collagen

Question 7

Where is collagen found and what does it provided

Answer 7

• makes up most of the extracellular matrix of connective tissue
• found throughout the body
• provides structure and flexibility

Question 8

What are the two main structural proteins in the extracellular matrix of connective tissue

Answer 8

• collagen and elastin

Question 9

What is the primary role of collagen

Answer 9

• structure and flexibility

- makes up most of extracellular matrix of connective tissue

Question 10

What is the primary role of elastin

Answer 10

• stretch and recoil

- restores the original shape of the tissue

Question 11

What is the primary protein that makes up hair and nails

Answer 11

keratin

Question 12

What is the intermediate filament proteins found in epithelial cells (Structural protein)

Answer 12

keratin

Question 13

What is the primary role of keratins and where are they found

Answer 13

• intermediate filament proteins in epithelial cells

- contribute to mechanical integrity of cell and functions as regulatory proteins