Dna replication result in two dna molecules that are (new or original)

2 New DNA molecules that are genetically identical to parental DNA molecule. (not sure what u mean by original vs new. If u are talking about new DNA molecules, after DNA replication, 2 new DNA molecules are formed. However, if you are asking about DNA nucleotide sequence in the genome, after DNA replication, 2 genetically identical molecules of DNA are formed.)

Explanation:

Semi-conservative DNA replication occurs whereby original double stranded parental DNA molecule separates and act as templates for the synthesis if new daughter strands. Resulting in the newly synthesised DNA to be made up of a parental strand and a daughter strand each.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.