Two amino acids<span> are linked together by the formation of a </span>peptide<span> bond. </span>Amino acids<span> joined by a series of </span>peptide bonds to make<span> a </span>peptide<span> chain. Thus , a protein molecule is a </span>polypeptide chain <span>composed of many </span>amino acid residues<span>.</span>
Answer:
To replace the electron in the reaction center, a molecule of water is split. This splitting releases an electron and results in the formation of oxygen (O2) and hydrogen ions (H+) in the thylakoid space.
Explanation:
An endoskeleton made up of hard plates beneath the skin is a characteristic of the echinodermata phylum. Organisms under the phylum echinodermata have tight interlocking plates that form their endoskeleton. Sea urchins, starfishes and sea cucumbers are examples of echinoderms.