The Developing Hindbrain Is Segmented into Rhombomeres,which Are Characterized by the Differential

question 18

Multiple Choice

The developing hindbrain is segmented into rhombomeres,which are characterized by the differential expression of members of the Hox family of transcription factors.Researchers have shown that some members of the Hox family are crucial for the specification of the rhombomeres.When Hoxa1 is genetically inactivated in mice,which rhombomeres are affected?

• A) r1 and r2
• B) r3 and r4
• C) r4 and r5
• D) r6 and r7

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Definitions:

Average Collection Period

The average number of days it takes for a company to receive payments owed by its customers, indicating the efficiency of a company's credit and collection policies.

Net Float

The difference between checks written against and deposited in an account, not yet cleared by the financial institution.

Cash Inflows

Money received by a business from its various activities, including sales, financing, and investments, contributing to its net cash flow.

Lockbox Systems

A service offered by banks to companies for the receipt of payment from customers, involving the use of specially designed lockboxes to speed up collections.