What is the source of energy for the water cycle?

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.

What is the period of cell life when it is conducting

During binary fission, what events must occur before the cell splits into two new cells?