Skin functions to
A) absorb sunlight to facilitate the synthesis of vitamin A.
B) initiate muscle contractions.
C) provide protection from dehydration.
D) synthesize components for bone tissue.
E) produce vitamin C.
C
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Which combination makes the most sense from an evolutionary perspective?
a. light skin and vitamin D deficiency b. light skin and extensive exposure to sun c. dark skin and little exposure to sun d. dark skin and folate deficiency e. light skin and little sun, or dark skin and lots of sun
Cells are restricted to one round of DNA replication per cycle by origin of replication binding proteins called
a. ATMs. b. Akts. c. Oris. d. MCMs.
An animal can imprint only on members of its own species
Indicate whether the statement is true or false
When buds remain attached, they form a chain of yeast cells called
A. mycelium. B. molds. C. septa. D. pseudohyphae. E. dimorphic.