When collagen is hydrolyzed it forms gelatin, the main ingredient of a jiggly dessert adored by children. What parts of a cow provide a rich source of collagen?

Question

A.  heart and other muscles
B.  brain
C.  glandular organs
D.  skin, tendons, and cartilage

Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?

Gather Content
What do you already know about collagen? What other information is related to the question?

Choose Answer
Given what you now know, what information is most likely to produce the correct answer?

Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?         
 

Answer 1

D.  skin, tendons, and cartilage

Clarify Question
What is the key concept addressed by the question?
        · This question is asking about the locations in which collagen is found in the body of a cow.
What type of thinking is required?
        · Apply level:
            o You are being asked to take what you already know and use, or apply, it to relating collagen to specific cow parts.

Gather Content
What do you already know about collagen? What other information is related to the question?
        · Collagen is a protein that can be very strong, especially when fibers are concentrated in one location.
        · Collagen is found in dense connective tissue in the vertebrate body.
        · Collagen functions as a component of the skin, organ coverings, as the covering nerves, muscle, and bone, and it is found within cartilage.

Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
        · Collagen is not found in abundance within muscle, including heart muscle, glandular organs, and the brain.
        · Since collagen is found in connective tissue, it would be abundant in tendons and cartilage, which are examples of connective tissue.
        · The skin also contains collagen, which provides strength to the skin.

Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?         
       · Apply level:
                o Answering this question correctly depended on your ability to use collagen in a new situation. If you got an incorrect answer, did you remember that collagen is present in the skin and in a variety of connective tissues? Did you have trouble extending collagen to determine the correct answer?