Which Morphogen Is Primarily Responsible for Setting the Anterior-Posterior Axis

question 9

Multiple Choice

Which morphogen is primarily responsible for setting the anterior-posterior axis in the developing limb?

• A) Tbx4
• B) Hedgehog
• C) Sonic hedgehog
• D) Wnt7
• E) GLI3

Understand the basic definitions and concepts related to aquatic ecosystems.

Identify and describe the different zones within aquatic ecosystems, including lakes and oceans.

Recognize the ecological importance and functions of estuaries, wetlands, and coastal areas.

Comprehend how human activities impact coastal and aquatic ecosystems.

---

Definitions:

Semiannually

Occurring twice a year, typically every six months.

Annual Return

This measures the financial gain or loss of an investment over a one-year period, expressed as a percentage of the investment's initial cost.

Investment

Items acquired with the hope that they will produce earnings or increase in value over time.

Annual Return

The percentage change in an investment's value over a one-year period, including dividends, interest, and capital gains.