Endocytosis takes material in using vesicles, but exocytosis transport materials using proteins pumps? True or false?

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.

What type of cell division is used to replace old cell?

The variation among individuals, on which natural selection acts