Protons and neutrons. But since the protons outweigh the neutrons. so your answer is d
It appears that the same lifestyle factors that contribute to the development of Cerebrovascular disease also increase the risk for vascular dementia. Vascular dementia describes the problems with reasoning, planning, judgement, memory and other thought processes caused by brain damage from impaired blood flow in the brain.
<span>A heterozygous individual is if a mutation occurs in just one copy of the gene.
If both copies of the gene are mutated than the individual is homozygous</span>
cell structure, evolution, homeostasis
