Question

which statement best describes the results of DNA replication A) two identical DNA molecules B) one DNA molecule C) messenger RNA D) two genetically different DNA molecules .

Answer 1

Answer:

A) two identical DNA molecules

Explanation:

DNA replication is an important process that all living cells must undergo prior to any division. It is a process whereby the cell doubles its genetic material (DNA) in order for each daughter cell to have a correct amount of DNA after the division process.

DNA replication occurs in the Synthesis phase (S-phase) of Interphase. It involves the synthesis of a new DNA strand using an old DNA template. Before DNA is replicated, the double-stranded DNA of a cell is unwinded by an enzyme called DNA HELICASE to form two single DNA strands. Each DNA strand is then used as a template by DNA polymerase enzyme to synthesize another DNA strand using complementary base pairing rule i.e. A-T, G-C

Hence, at the end of of the replication process, two identical strands emerge to form a double-stranded DNA molecule (one old strand and one new strand). Note that, the newly synthesized straight is very much similar to the complementary strand because the information (nucleotide sequence) in it was used to synthesize a new strand.

Answer 2

A) two identical DNA molecules