生物学 - 2026 进行中

科目: 生物学
级别: VIII (I级最简单，XII级最难)
类别: 大学生
试题语言: English
题数: 15
问题示例: A researcher inserts a gene into a plasmid containing an antibiotic-resistance marker and introduces the plasmid into bacteria. Which procedure most directly identifies bacteria that received the plasmid? Exposing all bacteria to ultraviolet radiation, Measuring the bacteria's rate of respiration, Growing the bacteria on medium containing the relevant antibiotic, Adding a restriction enzyme to the growth medium