Which Molecule Is Involved in Fixation of the Dorsoventral Axis

question 3

Multiple Choice

Which molecule is involved in fixation of the dorsoventral axis of the limb bud?

• A)Sonic hedgehog
• B)Wnt-7a
• C)Fibroblast growth factor-2
• D)Hoxd-13
• E)Retinoic acid

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Definitions:

Integrated Circuits

Compact electronic devices containing multiple semiconductor paths, capacitors, and resistors, all embedded on a small chip.

Microprocessors

Small electronic components that serve as the central processing unit (CPU) in computers, interpreting and executing program instructions.

Vacuum Tubes

Electronic components used in the early 20th century for amplification, switching, and signal modulation, before the advent of semiconductors.

Auto Industry

This refers to the sector of the economy that designs, develops, manufactures, markets, and sells motor vehicles.