Their chemical breakdown begins in the stomach<span> and continues in the large intestine. Proteolytic enzymes, including trypsin and chymotrypsin, are secreted by the </span>pancreas<span> and cleave proteins into smaller peptides. Carboxypeptidase, which is a pancreatic brush border enzyme, splits one amino acid at a time.</span>
The most common source of water contamination is: A. sewage.
Explanation:
The placebo pills in your birth control pack have no hormones in them, but you are still protected from pregnancy during this seven-day break as long as you took the first 21 pills correctly
