The developing brain of a fetus contains substantial amounts of lipid material and depends on

The fauces connects which of th following structures to the oropharynx

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.

Diffusion and osmosis are forms of passive transport