Ascientist is studying the action of rna polymerase during transcription. he wants to know what type of bases are added to the growing mrna by rna polymerase.

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

What is the role of dna ligase in the elongation of the lagging strand during dna replication?