Bio Exam Chapter 4 PLQ Questions And Answers With Verified Quiz

A researcher made an interesting observation about a protein made by the rough endoplasmic reticulum and eventually used to build a cell's plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The protein was probably altered in the _____. - Golgi apparatus Bacterial cells are prokaryotic; unlike a typical eukaryotic cell, they _____. - lack a nucleus Chloroplasts are found in __________. - plant cells and some protists Digestive cells produce and secrete many enzymes that break down ingested food. These cells have a large number of ribosomes __________. - on the rough endoplasmic reticulum Dye injected into a plant cell might be able to enter an adjacent cell through a(n) _____. - plasmodesma Flagella and cilia are both composed of tubulin subunits. Despite this similarity, key differences exist between these two structures. For example, __________. - only cilia move as a coordinated team in muscle cells, the _____ is/are specialized for the storage and release of calcium. - smooth endoplasmic reticulum In plants, __________ are the cell junctions that allow the free exchange of small molecules that assist in communication. In animal cells, similar cell junctions are known as __________. - plasmodesmata ... gap junctions Lysosomes are derived from __________ and function in __________. - the Golgi apparatus and rough endoplasmic reticulum ... digestion of worn-out organelles Membrane proteins are synthesized by ribosomes that are attached to _____. - the endoplasmic reticulumMitochondria and chloroplasts are similar in that they both __________; however, they are different in that only chloroplasts, and not mitochondria, __________. - have a double membrane ... carry out photosynthesis Mitochondria appear in the greatest numbers in cells that are _____. - metabolically active Mitochondria are found in _____. - both plant cells and animal cells Most of the DNA in a eukaryotic cell is in the _____. - nucleus