While Trying to Learn What a "Doggie" Is, Little Johnny

question 23

Multiple Choice

While trying to learn what a "doggie" is, little Johnny looks at every animal he sees and compares it to his new puppy. If the animal is similar enough to his own puppy, then he decides it also is a puppy. Johnny's puppy serves as a for dogs.

• A) heuristic
• B) concept
• C) prototype
• D) proposition

---

Definitions:

Actin

Actin is a globular protein that forms filaments, which are crucial for various cellular processes including muscle contraction and cell motility.

Rheumatoid Arthritis

A chronic inflammatory disorder affecting joints, including those in the hands and feet, characterized by joint pain, swelling, and stiffness.

Synovial Fluid

A viscous fluid found in the cavities of synovial joints, lubricating and nourishing the joint tissues.

Osteoblasts

Cells with the primary function of synthesizing bone and are responsible for the production of new bone tissue and bone mineralization.