What packages proteins for the transport out of the cell

Which of the following conclusions can be drawn

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.

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above