It is TRUE that coral reefs form when a<span> structure of calcite skeletons built up by coral animals in warm, shallow ocean water. </span>To form their skeletons, coral animals absorb the element calcium from the ocean water. The calcium is then combined with carbon and oxygen to form calcite (calcite is a mineral). When coral animals die, their skeletons remain. More corals build on top of them, gradually forming a coral reef.
<span>The type of plant cell that provides support without interfering with growth and is familiar as the "strings in celery" is a </span>collenchyma cell
not sure if this is what your looking for
Most proteins and carbohydrates exhibit chirality in their structure and function
