ASAP
Gas chromatography is most effective with what type of substances?
A) blood
B) fibers
C) petroleum
D) soil

Give the biological term for: structures that display characteristics of living organisms only within living cells

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.

The cluster of developing cells from conception until birth is called an