Topic 3: Cell Biology. Questions with accurate answers. 100% passed.

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Topic 3: Cell Biology. Questions with accurate answers. 100% passed. Question 1 Correct 1.75 points out of 1.75 Flag question Question text Which of the following could be used to study g ... eneral features of cells? Select one: a. a magnifying glass b. scanning electron microscope c. transmission electron microscope d. binoculars e. light microscope Question 2 Correct 1.75 points out of 1.75 Flag question Question text The lower limit of resolution of a light microscope is Select one: a. 100μm b. 0.1μm c. 10μm d. 0.01μm e. 1.0μm Question 3 Correct 1.75 points out of 1.75 Flag question Question text What structure does "D" represent on the diagram of the plasma membrane? Select one: a. membrane channel protein b. phospholipid bilayer c. internal membrane surface d. peripheral protein e. integral protein Question 4 Correct 1.75 points out of 1.75 Flag question Question text The environment outside the plasma membrane is most appropriately referred to as Select one: a. intracellular. b. extracellular. c. multicellular. d. centrocellular. e. None of these choices are correct. Question 5 Correct 1.75 points out of 1.75 Flag question Question text In order to study in detail the anatomy of internal cell parts, it would be best to use Select one: a. x-rays. b. flashlights. c. a transmission electron microscope (TEM). d. tissue cultures. e. a scanning electron microscope (SEM). Question 6 Correct 1.75 points out of 1.75 Flag question Question text Which of the following activities is a function of the plasma membrane? Select one: a. digestion of unneeded cell organelles b. recognition of bacterial cells by the immune system c. transport of products from the nucleus to the endoplasmic reticulum d. cell metabolism e. detoxification Question 7 Correct 1.75 points out of 1.75 Flag question Question text The organelle that protects cells from the damaging effects of medications and toxins is the Select one: a. ribosome. b. microtubule. c. secretory vesicle. d. smooth endoplasmic reticulum. e. mitochondria. Question 8 Correct 1.75 points out of 1.75 Flag question Question text The nucleus of a cell functions to Select one: a. digest lipids. b. produce ATP. c. produce secretory vesicles. d. control and coordinate cellular activities. e. synthesize proteins. Question 9 Correct 1.75 points out of 1.75 Flag question Question text Pinocytosis Select one: a. is a form of exocytosis. b. involves ingestion of liquids rather than particles. c. does not require ATP. d. forms vesicles only when large amounts of material are being transported. e. does not require the formation of vesicles. Question 10 Correct 1.75 points out of 1.75 Flag question Question text Microtubules Select one: a. are the smallest components of the cytoskeleton. b. contain the protein myosin. c. provide structure and support to the cytoplasm. d. are solid, supporting rods of protein. e. are a component of mitochondria. Question 11 Correct 1.75 points out of 1.75 Flag question Question text Cells that respond to ligands Select one: a. possess receptor sites for specific ligands. b. generally produce the ligands. c. have lysosomes that destroy the ligands. d. are using electrical signals in cellular communication. e. are not functional. Question 12 Correct 1.75 points out of 1.75 Flag question Question text What type of cell has abundant mitochondria? Select one: a. white blood cell, a phagocyte b. mucus cell (secretes mucus) c. liver cells that detoxify hydrogen peroxide d. cardiac muscle cells (require large amounts of ATP) e. fibroblast (makes protein fibers) Question 13 Correct 1.75 points out of 1.75 Flag question Question text What is a large, active phagocytic cell? Select one: a. columnar cells of upper respiratory tract b. spermatozoa c. columnar cells of small intestines d. red blood cells e. macrophage (large, mobile white blood cell) Question 14 Correct 1.75 points out of 1.75 Flag question [Show More]

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