Hypothesis: If the mystery food is tofu, then it will react with the reagent that indicates the presence of a protein because tofu is primarily protein. Based on the data, was Zack, who ate the tofu, guilty of leaving a mess in the classroom? Justify your answer.

As a small change in a person's dna can cause a genetic disorder

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 atmospheric later is where earths northern and southern lights occur