What substance in the leaves gives them a green colour?

Construct an explanation about the function of mitosis for multicellular organisms

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.

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from