Task: Class Relation Understanding (ontology: Sciences/Biology)

Which of the following classes is one valid superclass of 'negative regulation of bicellular tight junction assembly'?

A. 3rd arch mesenchyme from head mesenchyme
B. regulation of bicellular tight junction assembly
C. 1st arch maxillary mesenchyme
D. 1st arch mesenchyme from head mesenchyme

Answer: regulation of bicellular tight junction assembly