The correct answer is ... B) a nucleus. DNA is found, tightly coiled in chromosomes in the nucleus.
Ingested nutrients spend at least 12 hours in the small intestine as chemical digestion and absorption are completed.
Answer:
directional selection, is a mode of negative natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.
Covalent bonds share electrons between two atoms.
