How many electrons are in the n = 2 shell of the oxygen atom before bonding?

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 do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Ineed with a hypothesis my question is can seeds sprout in different locations?