Which of the Following Is a Technique Used to Encourage

question 55

Multiple Choice

Which of the following is a technique used to encourage bacteria to take up DNA from the surrounding culture medium?

• A)pretreatment of bacteria with a brief heat shock, followed by exposure to Ca²⁺ ions
• B)pretreatment of bacteria with Cu²⁺ ions, followed by a brief heat shock
• C)pretreatment of bacteria with Ca²⁺ ions, followed by a brief heat shock
• D)pretreatment of bacteria with Ca²⁺ ions, followed by a brief cold shock
• E)pretreatment of bacteria with a brief heat shock, followed by exposure to Mg²⁺ ions

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Definitions:

Injuries

Physical harm or damage to the body caused by external force, which can be accidental or intentional.

Biological Aspect

Pertaining to the physiological and genetic factors that influence an organism’s behavior, structure, and function.

Family Context

The environmental and relational factors within a family that influence and shape individuals' behaviors and developmental outcomes.

Marital Status

is a legal or social category that indicates whether an individual is unmarried, married, divorced, widowed, or in a partnership.