Please choose the true statement:a. Replication uses a DNA template in the synthesis of DNA.b. Replication uses an DNA template in the synthesis of RNA.c. Transcription uses an RNA template in the synthesis of RNA.d. Translation uses a DNA template in the synthesis of RNA
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The true statement is option a: Replication uses a DNA template in the synthesis of DNA.
Replication is the process by which DNA duplicates itself before cell division. This process involves the unwinding of the double helix of DNA, followed by the synthesis of two new strands of DNA, each complementary to one of the original strands. The new strands are synthesized by using the original strands as templates, with the help of the enzyme DNA polymerase. Therefore, replication uses a DNA template in the synthesis of DNA.
Option b is incorrect because RNA synthesis is carried out by transcription, not replication, and it uses DNA as a template. Option c is incorrect because RNA transcription uses a DNA template to synthesize a complementary RNA molecule, not an RNA template. Option d is also incorrect because translation uses an existing RNA molecule as a template for the synthesis of a polypeptide chain.
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