A structural protein is isolated that is insoluble in water and forms long threads. Which of the following is an example of such a protein?
Q1. A structural protein is isolated that is insoluble in water and forms long threads. Which of the following is an example of such a protein?
Answer: Silk fiber
Explanation: Silk is a fibrous protein, which is generally insoluble in aqueous media. Enzymes and antibodies are globular proteins and are typically soluble.