What is a common chemical reaction mechanism by which cells make polymers from monomers?

The energy needs of a human population are not affected by

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream