What contains instructions to cells about how to form a heart?

a. globular proteins b. differentials
c. dna
d. membranes

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

How does a gymnosperm prevent itself from pollinating the same tree