What is a gene in its simplest form a. a segment of dna b. a looped portion of rna c. a part of a protein d. a molecule found in the endoplasmic reticulum

What best describes lactic acid fermentation?

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.

Which muscle is responsible for inhalation ?