An abstract is a brief summarizing statement, usually between 75 and 150 words long. It gives thereader a synopsis of the problem, method, results, and conclusions of yourdocument. The abstract takes the form of a paragraph, usually with 5-10 sentences. It appears atthe top of a journal article, just under the title, or on the page following the title page of a report. In the latter instance, the abstract appears on a page by itself.
Quick Answer. A vacuole is a fluid-filled sac that stores food and water in cells. Vacuoles are most commonly found in plant cells, but they also exist in some bacteria and animal cells. Continue Reading.
Vacuole. In both plant and animal cells, the vacuole stores materials like food, water, and enzymes for metabolism. The plant cell also contains a central vacuole, which stores all of â¦the above but also waste and other materials. Vacuoles store water and dissolved minerals in a cell. Vacuoles are sac-like structures that are surrounded by a membrane and are found in plant and fungi cells.