Keratin Is a Durable Protein That Makes Which Skin Layer

question 40

Multiple Choice

Keratin is a durable protein that makes which skin layer waterproof and resistant to bacteria and viruses?

• A) Arrector pili
• B) Epidermis
• C) Dermis
• D) Subcutaneous
• E) Hypodermis

---

Definitions:

Productivity

Refers to the level of effectiveness in producing desired results or outputs, especially in the context of work or economic activity.

Process Loss

The inefficiency in decision-making processes within a group, leading to outcomes that are inferior to those that could have been achieved by individuals or by more effective collaborative approaches.

Dorso-lateral Prefrontal Cortex

A region in the brain that is involved in executive functions like managing working memory, decision making, and inhibitory control.

Difficult Problems

Challenges or situations that are hard to solve or deal with, often requiring complex solutions or considerable effort.