Explain how the process of diffusion works in a cell membrane

When organisms are classified ,they are given a two part name

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.

What is the most appropriate method of gaining weight (muscle mass)