I could be wrong I’m not very smart but I think it’s b
You can't hear sound on the moon because of space. Space is a vacuum so you can't hear anything unless there is a medium for it to travel through (like air)
A. bind and unwind double helix
Transcription in scientific genetics is used to describe the copying of the genetic sequence of DNA on messenger-RNA during expression of genes. On the other hand, translation is used to describe the use of the MRA to convert the gene sequence to amino acid sequences with the help of ribosomes.