The human menestral cycle is controlled by hormones and secreted by the

The ovary and pituitary gland

Explanation:

The pituitary gland stimulates the ovary during the menstrual circle to produce estrogen and progesterone.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides