What was the purpose of miller and urey's experiment?
a. to find out of prokaryotes evolved from eukaryotes
b. to determine whether prokaryotes have cell membranes
c. to measure the number biological molecules on earth
d. to see if simple molecules can combine spontaneously

d. to see if simple molecules can combine spontaneously

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Explanation:

I just did it and got it correct your choice but you should trust me.

D. To see if simple molecules can combine spontaneously on early Earth.

Explanation:

A.P.E.X.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.