the observations charles darwin’s work after he returned home from his voyage and studying the selective breeding of pigeons prompted him to ask which question

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

What is the correct trna sequence that would match the following mrna sequence. gcgaua

The transport tubes from food came down the plant are called?