Which one of the following statements about DNA synthesis at the replication fork of a replicating DNA molecule is false?
A. One of the two new strands must be synthesized in fragments because the two strands have opposite polarity.
B. Nucleotides are added at the 3' ends of all new strands in a replicating DNA molecule.
C. The sequence of each newly synthesized single strand is identical to that of the parental single strand that served as its template.
D. Double-stranded DNA synthesis requires both deoxyribonucleotides and ribonucleotides.

DNA is a genetic material, which undergoes replication to form complementary DNA molecules. The DNA replication follows a highly specific replication fork.

The correct answer is:

Option D. Double-stranded DNA synthesis requires both deoxyribonucleotides and ribonucleotides.

DNA replication fork features are:

DNA replication occurs by unwinding the double-helical structure. At one strand the replication is continuous, whereas on the other strand the replication takes place in fragments.

The enzyme DNA polymerase can only add the nucleotides at the 3' end of the DNA due to the presence of a free hydroxyl group.

The new strands synthesized are identical to the template strand, such that complementary base-pairing takes place.

Thus, the process that is not true about the replication fork is the double-stranded DNA synthesis required both deoxyribonucleotides and ribonucleotides.

To know more about replication forks, refer to the following link:

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