This Embryonic Structure Is Known as the Spemann Organizer in Amphibians

question 12

Multiple Choice

This embryonic structure is known as the Spemann Organizer in amphibians.

• A) Neural plate
• B) Notochord
• C) Dorsal blastopore lip
• D) Epidermis
• E) Endoderm

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Definitions:

IR Spectra

The graphical representation of infrared light absorption by molecules, used to identify chemical bonds and functional groups in a substance.

IR Spectroscopy

A technique used to identify and study chemicals based on their absorption of infrared light, indicative of molecular vibrations and structure.

Compounds

Substances formed from the chemical combination of two or more elements in a fixed ratio, characterized by specific properties.

Characteristic Stretch

Refers to a specific vibration in a molecule observed in IR spectroscopy, corresponding to the bond or functional group unique to that molecule.