Identify at least two organic functional groups in a phospholipid molecule

Are salt and soap nutrients or toxins for yeast? explain.

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.

Are the earth's ocean floor and continents the same age geologically? why or why not?