When a Key Nutrient Such as Nitrogen or Carbon Becomes

question 246

Multiple Choice

When a key nutrient such as nitrogen or carbon becomes scarce, some bacteria replicate their DNA and encapsulate one copy, along with some cytoplasm, in a tough cell wall heavily thickened with peptidoglycan and surrounded by a spore coat.The parent cell then breaks down.The result is

• A) an endospore.
• B) lateral gene transfer.
• C) programmed cell death.
• D) endosymbiosis by another member of the same species.
• E) release of the genome into the environment.