Chapter 04 Reading Quiz - Chapter 4 Pre-Lecture Quiz...

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Chapter 4 Pre-Lecture Quiz Question 1 Most antibiotics kill invading bacteria while minimally harming the host by ________. targeting structures found only in bacterial cells and not the host cells rendering the bacteria susceptible to the antibiotic inhibiting the host's immune response coating host cells to distinguish them from bacterial cells functioning as enzymes Question 2 The most commonly used microscope, which uses visible light to view cells, is called a _______. confocal microscope light microscope phase contrast microscope scanning electron microscope transmission electron microscope Question 3 What is the size of the smallest object that can be viewed as a distinct, separate object with a light microscope? 2,000 millimeters in diameter 0.2 millimeters in diameter 2 millimeters in diameter 0.2 micrometers in diameter 0.2 nanometers in diameter Question 4 The electron microscope has been particularly useful in studying bacteria because __________. bacteria are distinguished by differences in individual macromolecules bacteria are so small electrons can penetrate tough bacterial cell walls bacteria move so quickly they are hard to photograph their organelles are small and tightly packed together Question 5 What is the smallest entity that exhibits all the characteristics of life? tissues cells organs organelles macromolecules Question 6 Which one of the following groups is composed of prokaryotic cells? animals plants bacteria fungi protists Question 7 A major difference between prokaryotic and eukaryotic cells is that __________.
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