Which Growth Factor Is Expressed by the Dorsal Limb Ectoderm

question 13

Multiple Choice

Which growth factor is expressed by the dorsal limb ectoderm and is essential for patterning the dorsal-ventral axis?

• A) Wnt3a
• B) Wnt7a
• C) Shh
• D) Wnt5a
• E) Fgf8

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Definitions:

Merger

The combination of two or more businesses under one ownership in which all but one legal entity ceases to exist, and the combined organization continues under the name of the surviving firm. When the surviving firm acquires the stock of the others, the transaction can be called an acquisition. A merger is friendly if it has the approval and support of the acquired (target) firm’s management. It is unfriendly if the target’s management resists. The term merger tends to be used loosely to refer to any business combination.

Legal Entity

An organization or business that is recognized by law as having a distinct legal existence, separate from its owners.

Consolidation

The process of combining financial statements from several departments or subsidiaries into a unified set.

Merger

The combination of two or more companies into a single entity, where one survives and the others cease to exist as separate entities.