Chapter 4 A Tour of the Cell

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1、Biology: Concepts and Connections, 6e (Campbell) 1Chapter 4 A Tour of the CellMultiple-Choice Questions1) Which of the following statements about cells is true? A) All cells have cell walls. B) All cells have internal structures that move. C) All cells are attached to other cells. D) All cells are m

2、otile. E) All cells have static organelles. Answer: B Topic: Opening Essay Skill: Factual Recall2) Light microscopes A) can generally magnify objects about 10,000 times without blurring. B) typically provide more resolution than an electron microscope. C) work by reflecting electrons off the surface

3、 of an object being studied. D) use light and glass lenses to magnify an image. E) are generally not used to view bacteria. Answer: D Topic: 4.1 Skill: Factual Recall3) One centimeter = _ millimeters. A) 0.01 B) 0.10 C) 10 D) 100 E) 1,000 Answer: C Topic: 4.1 Skill: Factual Recall4) Resolution is th

4、e A) ability of an optical instrument to show two close objects as separate. B) size of an image. C) ability of an optical instrument to magnify an image. D) ability of an optical instrument to estimate the size of an image. E) distance between the lenses of a microscope. Answer: A Topic: 4.1 Skill:

5、 Factual Recall5) Which of the following statements about electron microscopes is true? A) Electron microscopes focus electron beams to create a magnified image of an object. B) Scanning electron microscopes are used to study the details of internal cell structure. C) Electron microscopes use glass

6、lenses to focus and magnify the image. D) Transmission electron microscopes are mainly used to study cell surfaces. E) Specimens must be sectioned to be viewed under a scanning electron microscope. Answer: A Topic: 4.1 Skill: Factual Recall 6) A scientist wants to examine living cells lining the res

7、piratory tract to determine how the cells use tiny hairs to move dirt and mucus away from the lungs. Which of the following instruments would be best, and why? A) a light microscope, because it allows observations of whole, live cells B) a transmission electron microscope, because it has high resolu

8、tion C) a transmission electron microscope, because it is capable of very high magnification D) a scanning electron microscope, because it can reveal structures on cell surfaces E) a scanning electron microscope, because it can be used to observe whole cells without slicing them Answer: A Topic: 4.1

9、 Skill: Application7) The idea that all living things are composed of cells and that all cells come from other cells defines A) central dogma. B) the laws of inheritance. C) organelle theory. D) cell theory. E) inheritance of acquired characteristics. Answer: D Topic: 4.1 Skill: Factual Recall8) A s

10、cientist wants to magnify a pollen grain 8,000 times and examine the ridges and pores on its surface. Which one of the following instruments would be best? A) a transmission electron microscope B) a scanning electron microscope C) a fluorescence confocal microscope D) a differential interference-con

11、trast microscope E) an inverted light microscope Answer: B Topic: 4.1 Skill: Application9) A scanning electron microscope is used to study _, whereas a transmission electron microscope is used to study _. A) live cells . . . dead cells B) cell surfaces . . . internal cell structures C) dead cells .

12、. . live cells D) internal cell structures . . . cell surfaces E) plant tissue . . . animal tissue Answer: B Topic: 4.1 Skill: Factual Recall10) The diameter of most animal and plant cells ranges from A) 0.01 to 0.1 micrometers. B) 0.1 to 1.0 micrometers. C) 1.0 to 10 micrometers. D) 10 to 100 micro

13、meters. E) 100 to 1000 micrometers. Answer: D Topic: 4.2 Skill: Factual Recall 11) As cell size increases, the A) volume and surface area decrease. B) volume increases faster than the surface area. C) surface area increases faster than the volume. D) surface area and volume increase at the same rate

14、. E) surface area decreases while the volume remains constant. Answer: B Topic: 4.2 Skill: Conceptual Understanding12) Which of the following cells has the greatest surface-to-volume ratio? A) bacterium B) human red blood cell C) human muscle cell D) frog egg E) ostrich egg Answer: A Topic: 4.2 Skill: Conceptual Understanding13) A cell is exposed to a

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