Because dna sequences in humans and chimpanzees are very similar,
a) humans must have evolved from chimpanzees
b) humans and chimpanzees probably shared a recent a common ancestor
c) chimpanzees must have single-stranded dna
d) humans and chimpanzees are the same species

What is the next step in muscle contraction after the actin changes shape

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?

What is the importance of dna replication to all living organisms?