Which statement describes a disadvantage of gene therapy? A. It can stop cancer cells from growing
B. It is very expensive
C. It uses viruses that are deadly
D. It can block a mutated gene from working

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

Donde se encuentra el adn nuclear en un organismo eucariota?

What drives an advertising campaign?