What is the main difference between prokaryotes and eukaryotes? A. Eukaryotes don't have a cell membrane, and prokaryotes do.
B. Prokaryotes don't have a cell membrane, and eukaryotes do.
C. Eukaryotes don't have a nucleus, and prokaryotes do.
D. Prokaryotes don't have a nucleus, and eukaryotes do.

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

In general, are there any major differences that you can see? explain

Examine the air pressure map. which type of line is shown on the map?