C. A higher amount of addictive chemicals are needed to get the same high when fewer receptors are present...
Answer:
D
Explanation:
polysaccharides is NOT one of the four main groups of macromolecules of living things
Answer:The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.
Explanation:
For this information to be true, that would mean freckles is a dominant trait, and to not have freckles is a recessive trait. So that means if even someone's genotype has both the freckle and the no freckle gene, their phenotype will be freckles.
