Dr. Madison's MCB 2010 Lecture Exam 1 Questions with Complete Solutions

Which of the following statements is incorrect regarding prokaryotic cells Correct Answer-E they lack a plasma membrane Each of the following statements concerning the gram-positive cell wall is true EXCEPT Correct Answer-C it protects the cell in a hypertonic environment Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing NaCl? Correct Answer-C water will move out of the cell A gram-positive bacterium suddenly acquires resistance to the antibiotic methicillin. This trait most likely occurred due to acquisition of new genetic information through Correct Answer-A conjugation By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration? Correct Answer-C active transport Which of the following isnot a typical characteristic of most bacterial plasma membranes? Correct Answer-D contains cholesterol Which one of the following organisms