A is your answer. Hope it helped!
The recommended form of calcium supplement for patients who have achlorhydria or who are on proton pump inhibitors is a calcium citrate supplements.
Calcium citrate supplements are not dependent on acid or pH for absorption. Calcium citrate is in natural products such as milk and cheese that will provide patients with greater bioavailability regardless of pH.
The primary<span> structure of a protein refers to the linear sequence of amino acids in the polypeptide chain. The </span>primary<span> structure is held together by covalent bonds such as peptide bonds, which are made during the process of protein biosynthesis.</span>
