The protein that helps make vertebrate skin abrasion-resistant and waterproof is ____.
A) collagen
B) elastin
C) hemoglobin
D) keratin
E) melanin
Correct Answer:
Verified
Q44: Match the description with the appropriate muscle
Q45: Epithelial cells are specialized for four of
Q46: Match the description with the appropriate muscle
Q47: Human skin is primarily composed of which
Q48: Match the description with the appropriate muscle
Q50: Excess UV light depletes the body of
Q51: Match the organ system to the correct
Q52: Match the organ system to the correct
Q53: Four of the five answers below pertain
Q54: What type of cells keeps neurons positioned
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