Proteins are polymers composed of long chains of

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Where are the strongest jet streams located?

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.