Q4.1. Which statement below about DNA is FALSE? DNA is present in and essential for all living cells. DNA is located in the nucleus of eukaryotic cells. DNA is not always perfectly copied during DNA replication. All DNA molecules in human cells are circular. Q4.2. In the diagram below showing halves of four DNA replication bubbles, RNA primers are shown as red and DNA is shown as black. Which bubble's 5 and 3 ' labels are correct? Q4.3. What would be the consequence if a cell were unable to replicate its DNA? The cell would not be able to undergo cell division as it normally would. The cell would be unable to make proteins based on the information in DNA. The cell would not form a nucleus, because the nucleus contains DNA. The cell would become a cancer cell, dividing in an uncontrolled manner..