What function do many b vitamins serve in the production of energy?

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.

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Do plant cells perform cellular respiration?