This kingdom is the only kingdom of eukaryotes that contains both autotrophs and heterotrophs and unicellular and multicellular organisms.

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 statements is true of cells

20 the main source of energy for our planet comes from the