1. Which of the following best describes biotechnology's influence on microbiology? A. Biotechnology has no impact on microbiology B. Biotechnology has revolutionized the field of microbiology by allowing for advanced genetic manipulation and bioprocessing techniques C. Biotechnology has slowed down progress in microbiology by limiting traditional research methods D. Biotechnology has led to a decrease in our understanding of microbial diversity Answer: B. Biotechnology has revolutionized the field of microbiology by allowing for advanced genetic manipulation and bioprocessing techniques. Biotechnology has greatly expanded the capabilities of microbiologists to study and manipulate microorganisms. 2. Which of the following techniques is commonly used in biotechnology to manipulate microbial DNA? A. PCR (polymerase chain reaction) B. Gram staining C. Agar gel electrophoresis D. Serial dilution Answer: A. PCR (polymerase chain reaction). PCR is a technique commonly used in biotechnology to amplify specific regions of DNA for further analysis and manipulation. 3. How has biotechnology contributed to the development of new antibiotics? A. By decreasing the effectiveness of traditional antibiotics B. By allowing for the manipulation of microbial genes to produce novel antibiotic compounds C. By increasing the cost of antibiotic production D. By reducing the need for antibiotics in medical settings Answer: B. By allowing for the manipulation of microbial genes to produce novel antibiotic compounds. Biotechnology has enabled