Multiple Choice: 1. The architecture of cell surfaces can be viewed in the most detail using a _____. a. b. c. d. scanning electron microscope transmission electron microscope microscope and fluorescent dyes light microscope 2. What are the limits on which maximum cell size depends? a. b. c. d. amount of DNA in the nucleus number of surrounding cells surface to volume ratio the number of organelles 3. To enter or leave any cell, substances must pass through proteins embedded in _____. a. b. c. d. a ribosome a microtubule the golgi body the plasma membrane 4. Phospholipid bilayer membranes are semipermeable. Which of the following can move across the membrane without assistance? a. b. c. d. glucose oxygen starch hydrogen 5. Which of the following structures is/are found in prokaryotic cells? a. b. c. d. ribosomes mitochondria endoplasmic reticulum nucleus 6. Bacterial cells are prokaryotic; unlike a typical eukaryotic cell, they _____. a. b. c. d. have more internal membranous compartments lack a plasma membrane have a smaller nucleus lack a nucleus 7. A certain cell has a dense nucleoid region, ribosomes, but no membrane-enclosed organelles. Based on this information, it could be _____. a. b. c. d. a Paramecium a grasshopper cell an archea bacteria a yeast cell (fungus) 8. Which of the following are found in prokaryotic cells? a. b. c. d. ribosomes golgi bodies mitochondria endomembrane systems 9. Which of the following would be found in the cytoplasm of a eukaryotic cell? a. b. c. d. nucleolus flagella extracellular matrix centrioles 10.The nucleolus _____. a. b. c. d. contains the hereditary blueprint of the cell manufactures ribosomes organizes the spindle fibers for cell division modifies substances made on the endoplasmic reticulum 11.Most of the DNA in a eukaryotic cell is in the _____. a. b. c. d. nucleolus mitochondria endomembrane system nucleus 12. What molecule is allowed to leave the nucleus through the nuclear pores? a. b. c. d. chromatin protein mRNA DNA 13. Digestive cells produce many enzymes that break down ingested food. These cells have a large number of ribosomes _____. a. b. c. d. on the rough ER on the smooth ER in the cytoplasm on the golgi body 14. The rough endoplasmic reticulum is considered to be in which general functional category of organelle? a. b. c. d. support between cells energy processing breakdown manufacturing 15. Pancreatic cells secrete lots of proteins. With this in mind, which of the following organelles would be especially abundant in pancreatic cells? a. b. c. d. lysosomes smooth ER microfilaments rough ER