Which two systems help regulate body temperature?

Name the type of chemical that speeds up digestion

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.

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle