A gene encoding one of the proteins involved in DNA replication has been inactivated by a mutation in a cell. In the absence of this protein, the cell attempts to replicate its DNA. What would happen during the DNA replication process if each of the following proteins were missing?

A. DNA polymerase

B. DNA ligase

C. Sliding clamp

D. Nuclease that removes RNA primers

E. DNA helicase

F. Primase