What do genes tell a cell to do

Explain why phospholipid molecules form a bilayer. (3 marks)

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

What will happen if two of the base pairs of the stand of the dna are switched