The process of recovering valuable or useful materials from waste or scrap is called a. recycling. c. rebuilding. b. renewing. d. reducing.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

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.

Most enzyme names end in the