a/an is characteristic of children at age five.                a.  choice of same-sex playmates      b.  understanding of the ramifications of one's actions      c.  desire to play with children of different ages      d.  awkwardness with emerging motor skills

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.

How is transcription similar to translation in terms of base pairing?

Where substance is produced during cellular respiration