Which phrase best describes homeostasis?

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

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.

A(n) is a molecule influences the way that a molecule reacts.