Which One of the Following Statements Comparing Alpha Keratin and Silk

question 73

Multiple Choice

Which one of the following statements comparing alpha keratin and silk fibroin is true?

• A) Both have covalently cross-linked strands.
• B) Both are primarily \(\alpha\)-helical in character.
• C) Both fibers are intracellularly located.
• D) Both fibers are heavily stabilized by hydrogen bonds.

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Definitions:

CCK

Cholecystokinin, a hormone that stimulates the digestion of fat and protein.

Sensory Specific Satiety

This refers to the reduction in appetite or desire to continue consuming a specific food after a certain amount of it has been eaten, without diminishing the appetite for different foods.

Ziegarnik Effect

The tendency to remember uncompleted or interrupted tasks more easily than tasks that have been completed.

Upper Intestine

The initial part of the intestine, including the duodenum, where much of the digestion and absorption of nutrients occurs.