Alfred Hershey and Martha Chase Examined Transformation Using Bacteriophage (Bacterial

question 37

Multiple Choice

Alfred Hershey and Martha Chase examined transformation using bacteriophage (bacterial DNA virus) and bacterial cells.If phage are labeled with radioactive sulfur and allowed to infect bacterial cells,the radioactive sulfur will be localized to:

• A)the inside of infected cells (in phage DNA).
• B)the outside of infected cells (in phage ghosts).
• C)in newly synthesized phage viruses in the host bacterial cell.
• D)No radioactivity will remain after infection.
• E)The sulfur will be metabolically consumed,and therefore the radioactivity will be destroyed.

Distinguish between stable/external and temporary/external attributions in partner behavior.

Identify cognitive biases in processing partner-related information and their impacts on relationship satisfaction.

Explain the discrepancy between perceived and actual changes in marital satisfaction over time.

Assess the role of confirmation and self-enhancement motives on partner perceptions and relationship dynamics.

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