BIO 181 North Carolina State University -BIO-181 Quiz 2 GCU with answers

BIO-181 Quiz 2 GCULight Microscopy - correct answer The use of any kind of microscope that uses visible light to observe specimens Electron Microscopy - correct answer uses a beam of electrons to create an image of the specimen Cell Fractionation - correct answer The disruption of a cell and separation of its organelles by centrifugation. Cell Size and Surface Area - correct answer A cells efficiency depends on its size. If the larger the cell the less efficient the cell is especially if it has a high surface area to volume ratio. Bacteria Cells - correct answer Apart of the prokaryotic family of cells, and is the only living cell that does not have a nucli surrounding by a membrane. Archaea Cells - correct answer No membrane bound organelles inside of the cell apart of the prokaryotic family. Prokaryote - correct answer Any cell that does not have membrane-bound organelles. Eukaryote Cells - correct answer Any cell that has membrane-bound organelles such as a nucleus. Ribosome - correct answer A cell organelle composed of RNA and protein; the site of protein synthesis. Contractile Vacuole - correct answer The cell structure that collects extra water from the cytoplasm and then expels it from the cell