What are the bonds that hold two amino acids together called?
O A. Peptide bonds
O B. Ionic bonds
O C. Double bonds
O D. Oxygen bonds

a. peptide bond

Explanation:

It occurs when the carboxylic group of one molecule reacts with the amino group of the other molecule, linking the two molecules and releasing a water molecule.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.