How Does Keratin in Skin Help Defend the Body

question 1

Multiple Choice

How does keratin in skin help defend the body?

• A) It forms an acid mantle which bacteria do not like.
• B) It traps microbes.
• C) It is a tough protein that bacteria cannot easily break through.
• D) Neither answer is correct.

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Definitions:

Ace of Hearts

A playing card in the deck of standard playing cards, distinguished by a single heart symbol and an ace rank.

Face Card

In a standard deck of playing cards, it refers to any jack, queen, or king, each of which has a picture of a face.

Ace

In card games, an ace refers to a playing card that typically ranks the highest in its suit.

Lowest 4%

Refers to the bottom 4% of data points in a distribution, highlighting the far left end of the data spectrum or values significantly below the median.