In proteins, elements of secondary structure combine to form a(n)
a. domain
b. motif
c. alpha helix
d. beta sheet
e. chaperone

Which hormone is used by both males and female?

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations