Holding the two chains of a dna molecule together are bonds.

What are the result of when individual components in an organism interact with others to create noval stucture and function called

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.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur