What enzyme breaks apart lactose? what reaction is it called?

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.

Explain the causes and effect of damage to the genetic code.