What characteristic basically leads to all of waters most important qualities?
That it exists in three physical states.
The covalent bonds within one water
molecule.
The hydrogen bonds that form between two
or more water molecules.

What feature of cell theory is best demonstrated in the image

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates