Why is excess water and salt excreted (for example co2 it’s excreted because it’s toxic)

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

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.

Which test would show positive results for orange juice