How Did Zhang and Cech Purify the RNA Molecules That

question 49

Multiple Choice

How did Zhang and Cech purify the RNA molecules that were able to catalyze the linkage between two amino acids?

• A) passing the reaction mixture through a column that binds biotin
• B) passing the reaction mixture through a column that binds all proteins
• C) passing the reaction mixture through a column that binds RNA
• D) centrifuging the reaction mixture to concentrate the proteins
• E) centrifuging the reaction mixture to concentrate the RNA molecules

Identify the responsibilities and liabilities associated with insider trading and the dissemination of non-public material information.

Comprehend the significance of accurate and complete disclosures in registration documents and prospectuses.

Recognize the importance of SEC oversight in both public offerings and private placements, including required disclosures for private placements.

Understand the role of the SEC in prosecuting securities violations and the coordination with other law enforcement agencies.

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Definitions:

Subjective

Based on or influenced by personal feelings, tastes, or opinions rather than external facts.

Schachter-Singer

Two psychologists who proposed a theory of emotion, suggesting that physiological arousal is interpreted in the context of environmental cues to produce emotional experience.

Two-Factor Theory

A theory proposed by Herzberg that explains job satisfaction and motivation by categorizing workplace factors into hygiene factors and motivators.

Cognitive

Relating to mental processes such as perception, memory, thinking, and problem-solving.