Researchers Studying Neural Crest Cell Migration in a Human Fetus

question 22

Multiple Choice

Researchers studying neural crest cell migration in a human fetus observe normal activity beginning at the 8th week of embryogenesis with interruption during the 12th week, when migration is typically completed.  Which of the following structures is most likely to lack innervation as a result of this disruption?

• A)Esophagus
• B)Duodenum
• C)Jejunum
• D)Ileum
• E)Cecum
• F)Transverse colon
• G)Rectum

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The practice of actively paying attention, understanding, remembering, interpreting, evaluating, and responding to what is being said.

Digital Communication

The exchange of information through electronic mediums, such as email, social media, and instant messaging.

Virtual Office

A workspace that operates without a fixed location through the use of digital communication tools, allowing individuals to work remotely.

Political Speech

An address or discourse delivered by a politician or public figure, often aimed at presenting policy, persuading voters, or discussing governmental matters.