Which enzyme is responsible for unwinding the DNA double helix during transcription?

What type of bond forms between the phosphate group and the sugar in the backbone of a DNA strand?

Which process involves the synthesis of messenger RNA (mRNA) from a DNA template?

Which enzyme adds nucleotides to the growing mRNA strand during transcription?

In the process of transcription, what type of RNA is produced that carries the genetic information from DNA to the ribosomes?

Which enzyme is responsible for synthesizing new DNA strands during DNA replication?

What is the role of helicase during DNA replication?

What type of bond holds the two strands of DNA together between complementary base pairs?