Match each of the following functions/descriptions with its correct term. More t
ID: 62145 • Letter: M
Question
Match each of the following functions/descriptions with its correct term. More than one correct answer may be possible for each numbered item: include all correct answers.
a. component of bone dissolved by acid 1. osteoblast
b. component of bone broken down by heat 2. osteoclast
c. breaks down matrix 3. collagen
d. produces matrix 4. inorganic matrix
e. provides flexible strength 5. organic matrix
f. hyaluronic acid is part of this component 6. calcium minerals
Explanation / Answer
a. component of bone dissolved by acid
6. Calcium minerals, 4. Inorganic matrix, 3. Collagen
(Along with inorganic matrix that consists of Calcium minerals that can be dissolved with mild acids, collagen can also be dissolved with mild acid treatment like 0.2 M acetic acid)
b. component of bone broken down by heat
3. Collagen, 5. Organic matrix
(Heat denatures Collagen which is a triple helix containing protein; Organic matrix contains about 90% collagen- so can be denatured by heat)
c. breaks down matrix 2. Osteoclast
(Osteoclasts participate in bone-remodelling by the process called bone-resorption; hence it releases enzymes like collagenase to break down matrix)
d. produces matrix 1. Osteoblast
(Osteoblasts synthesize bone matrix)
e. provides flexible strength 3. Collagen
(Removal of collagen from bones makes them brittle)
f. hyaluronic acid is part of this component 5. Organic matrix
(Organic matrix of bones consist mainly of collagen, rest 10% is made up of proteoglycans like chondroitin sulfate & hyaluronic acid)