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which of the following is false of the integumentary system?
a. keratin is the pigment responsible for skin color
b. the inner layer of the epidermis divides quickly
c. the body produces more melanin with stronger sunlight exposure
d. too much uv radiation can mutate dna in skill cells and cause cance

In what way are cities microclimates?

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.