Final answer:
Each strand of DNA does contain all the information necessary to create a new double-stranded DNA molecule, making the statement true. DNA replication is semiconservative, resulting in two DNA molecules each with one original and one new strand. Nucleotides and enzymes in the nucleus facilitate the accurate copying of genetic material.
Step-by-step explanation:
True, each strand of DNA contains all the information needed to create a new double-stranded DNA molecule with the same sequence information. During the process of DNA replication, the double helix of DNA unwinds and each strand serves as a template for the formation of a complementary strand. This is possible because each strand holds the entire genetic code that can be copied by pairing the appropriate nucleotides to form a new, complementary strand. These nucleotides are present in the nucleus, along with the enzymes and proteins necessary for DNA synthesis.
DNA polymerase is a crucial enzyme in this process. It reads the existing 'old' strand and adds the correct nucleotides to form the 'new' strand, ensuring that each new DNA molecule consists of one parental strand and one newly synthesized daughter strand. This method of replication is termed semiconservative replication because one strand from the original DNA molecule is conserved in each new DNA molecule. The new DNA molecules each have the exact same sequence of nucleotide bases and are divided equally into two daughter cells when a cell divides.
Despite this high fidelity replication, errors can occur, but they are often corrected by proofreading enzymes. These mechanisms are essential to maintaining genetic stability across generations of cells.