a. DNA is replicated;
b. unwinding of the double helix/DNA (by helicase)
OR
supercoiled DNA is relaxed (by gyrase);
c. hydrogen bonds broken
OR
strands separate;
d. synthesis of new strands of DNA (by DNA polymerase);
e. DNA replication occurs semi-conservatively
OR
existing strand used as a template (for a new strand of DNA);
OR
DNA replication is continuous on the leading strand, but discontinuous on the lagging strand;
f. copying base sequences occurs through complementary base pairing (in both transcription and replication);
g. DNA is transcribed;
h. synthesis of RNA/mRNA (by RNA polymerase);
i. copy of a gene produced/only one gene transcribed;
j. introns are removed;
k. RNA/mRNA exported/moves to the cytoplasm;
describe
Marking guidance: