What is the definition of law of universal gravitation?

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

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.

How does the study of genetic disorders such as pku biologists understand normal alleles?