What is the gradual sequential regrowth of a community of species after a forest fire ?

What is the function of nucleic acids

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.

Someone me with this: a mineral' is determined by its actomic structure.