A Hard, Protective Material That Adds to the Protective Nature

question 239

Multiple Choice

A hard, protective material that adds to the protective nature of the skin is:

• A) melanin.
• B) lunula.
• C) keratin.
• D) corium.

Appreciate the importance of nonverbal communication cues in identifying emotions.

Analyze the historical perspective and study of emotions and their impact on behavior.

Understand the relationship between stress, control, and emotional health.

Evaluate the influence of cognitive appraisal on emotions and stress.

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Definitions:

Hemoglobin

A protein in red blood cells that carries oxygen from the lungs to the rest of the body and returns carbon dioxide from the body to the lungs for exhalation.

Organic Groups

Clusters or families of organic compounds sharing common characteristics or structural features, often categorized by their functional groups.

Protein

Big biological molecules made up of one or more lengthy strands of amino acid components, essential for the formation, operation, and control of the body’s organs and tissues.

Adenine

A purine base found in DNA and RNA, which pairs with thymine in DNA and with uracil in RNA during the formation of nucleic acids.