Which part of the root contains transport tubes? a. cortex b. root hairs c. epidermis d. inner root

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

In what for do plants utilize nitrogen? why do they need nitrogen?

According to the cladogram, which organisms have roundworms as a common ancestor?