Unlike in prokaryotic cells, replication in eukaryotic cells

a. can start in many different places on a sequence at the same time.
b. starts from a single point.
c. involves much less dna.
d. is continuous in two directions until the whole chromosome is copied.

The correct answer is A) can start in many different places on a sequence at the same time.    

DNA replication is a process of copying DNA so that two identical replica of DNA are produced from one original DNA. It is essential for the process of cell division. It is initiated from a specific site/ specific sequence of nucleotides that is called origin of replication.

There is single origin of replication in prokaryotes ( as they have smaller genome size) whereas eukaryotes ( having large genome) have multiple origin of replication so that their whole DNA can be replicated within less time.

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emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.