Which of the following indicates average kinetic energy of the molecules in a substance

What protects the lining of the stomach from acidic gastric juices?

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.

The idea of spontaneous generation was disproved by in a experiment involving jars of meat