In the Meselson-Stahl Experiment, the Conservative Model of DNA Replication

question 140

Multiple Choice

In the Meselson-Stahl experiment, the conservative model of DNA replication was ruled out by which of the following observations?

• A) No completely "heavy" DNA was observed after the first round of replication.
• B) No completely "light" DNA ever appeared, even after several replications.
• C) The product that accumulated after two rounds of replication was completely "heavy."
• D) Completely "heavy" DNA was observed throughout the experiment.
• E) Three different DNA densities were observed after a single round of replication.

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Definitions:

Unconscious Thoughts

Mental processes not immediately accessible to consciousness but that can influence judgments, feelings, or behavior.

Insanity

A legal term for individuals who are determined to be unable to understand the nature and quality of their actions due to mental illness, preventing them from being responsible for criminal acts.

Defendant's Intent

A legal concept referring to the intention behind a defendant's actions, often crucial in determining the outcome of criminal cases.

Main Problems

Main problems refer to the primary or most significant issues or challenges within a particular context or situation.