The type of circulatory system where blood flows through open spaces in the body is called a(n) tubular circulatory system open circulatory system closed circulatory system sinus circulatory system

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.

If a grape were placed in a hypertonic solution what would happen and why?

Wich of the following are manual restraint techniques for dogs