Is the introduction of plastic based products a miracle or a disaster to society ?

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

Describe two recent or ongoing space missions.

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.