Topics: Dermis Quiz
Sebum
A. coats the skin and hairs, providing a degree of waterproofing
B. coats the eyes and eyeballs, providing a degree of waterproofing
C. coats the fingernails and toenails only, providing a degree of waterproofing
Select your answer:

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Cellular and Sexual Reproduction › ViewCell with half the number of chromosomes (n)
A. Haploid
B. Diploid
Microbiology › View
What is the main role of chlorophyll in photosynthesis?
A. Synthesize ATP
B. Produce oxygen
C. Absorb light energy
D. Break down organic compounds