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7gr cell str & func
7th cell structure & function test
| Question | Answer |
|---|---|
| made of protein and RNA | nucleolus |
| responsible for the formation of ribosomes | nucleolus |
| structure in a eukaryotic cell that contains the genetic material a cell needs to reproduce and function | nucleus |
| the outer boundry of the cytoplasm | cell membrane |
| a protective covering enclosing an entire cell | cell membrane |
| a layer that controls what enters or leaves the cell | cell membrane |
| uses genetic material to assemble needed to make proteins | ribosomes |
| manufactures proteins and other materials a cell needs to function | smooth endoplasmic reticulum |
| "postal office" of the cell; processes, packages and transports proteins and other materials a cell needs to function | golgi apparatus |
| function is to process and package macromolecules, such as proteins and lipids, after their synthesis and before they make their way to their destination; it is particularly important in the processing of proteins for secretion. | golgi apparatus |
| stores and transports materials and wastes | vesicles |
| releases chemical energy stored in sugars | mitochondria |
| uses energy from sunlight to make sugars | chloroplasts |
| covered with ribosomes and it is the site of protein synthesis | rough endoplasmic reticulum |
| a thick, gelatin like material contained within the cell membrane | cytoplasm |
| where most of the work is carried out in the cell | cytoplasm |
| vesicles that contain chemicals that break down materials taken into the cell, as well as old cell parts | lysosome |
| they move materials either into or out of the cell | vacuole |
| where most of the water is stored in the cell | vacuole |
| help regulate mitosis, the process by which one cell separates into two identical copies of the original. | centrosomes |
| location during cell division where the centrioles move and form the spindle fibers to form (or move) chromosomes) | centrosome |
| the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell. | cell wall |