Identify the different ways on how to help the family and community

What happens when the cell copies its chromosomes

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.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes