(a)[2]
State the meaning of the term gene.
(b(i))[5]
Describe the functions of DNA polymerase and DNA ligase during DNA replication.
(b(ii))[1]
State the name of the interphase stage in the cell cycle at which DNA replication happens.
(i)[5]
Describe the functions of DNA polymerase and DNA ligase in the replication of DNA.
(ii)[1]
State the name of the interphase stage in the cell cycle when DNA replication takes place.
(c(i))[2]
Fig. 4.2 shows chromosome 11 at metaphase of mitosis. State the names and functions of structures A and B.
(c(ii))[3]
Complete Fig. 4.3 to show what happens to chromosome 11 in anaphase, so that the daughter nuclei stay genetically identical.