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Practice Question

Which of these is a protein produced by cells of the epidermis?

Answer Choices:

Correct Answer:

keratin

Rationale:

❥ Keratin is a protein produced by specialized epidermal cells called keratinocytes.

❥ It provides the epidermis with strength, rigidity, and waterproofing properties, protecting against environmental damage.

❥ Keratin is a key structural protein in the skin, hair, and nails, making it essential for external protection.

❥ It forms a barrier that helps prevent pathogen entry and excessive water loss from the body.

❥ Unlike vitamin D, hemoglobin, or DNA, keratin is specifically a structural protein produced in the epidermis.

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This question is from BIO 253 Exam 1 Su25-Handros College of Nursing which contains 56 questions.

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From Exam
BIO 253 Exam 1 Su25-Handros College of Nursing

56 Questions

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Question Details
  • Category: PRE-REQUISITES NURSING COURSES
  • Subcategory: BIOLOGY
  • Domain: BIOLOGY_EXAMS
  • Answer Choices: 4
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