In an Experiment a Culture of Bacteria Is Plated onto Six

question 141

Multiple Choice

In an experiment a culture of bacteria is plated onto six agarose plates with nutrients that support their growth.One set of three plates are exposed to visible light, and the second set of three plates are exposed to ultraviolet radiation.This experiment is appropriate for studying the effect of _______ on DNA replication.

• A) spontaneous mutations
• B) chemical-induced mutations
• C) 5-methylcytosine transitions to thymine
• D) ionizing radiation
• E) covalent bonds between thymine bases

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