The two tubes contain bromothymol blue. After 24 hours, what will the color of the water be in tube

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

Depending on the organism the number of in a cell may change

Which law represents a balanced chemical equation?