(Question)
Q: The process of moving from areas of high amounts to areas of low amounts is called what? Choices: - transfer - deposition - filtration - diffusion A:
(Answer)
diffusion

(Question)
Q: What debated therapy offers a potential method for replacing neurons lost to injury or disease? Choices: - cell production therapy - stem cell reduction - cell duplication - stem cell therapy A:
(Answer)
stem cell therapy

(Question)
Q: What is the more common term for ethanoic acid, the active substance in vinegar? Choices: - methyl acid - amino acid - polymer acid - acetic acid A:
(Answer)
acetic acid