In facilitated diffusion, what is the role of the transport protein? (concept 7.3)

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.

Which step is not included in the step approach to calculating the greatest common divisor?

What gases are carried by the blood