What varaible should be controlled before beginning the expirement?

Blood, made up of red and white blood cells, work together to form

How does a lytic infection differ from a lysogenic infection?

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.