The Primary Embryonic Organizer Is Most Likely Initiated by
A) $\beta$

question 117

Multiple Choice

The primary embryonic organizer is most likely initiated by

• A) the yolk.
• B) Tcf-3 protein.
• C) \(\beta\)-catenin.
• D) cAMP.
• E) None of the above

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Definitions:

Derivative

A contract that changes value in response to an underlying variable, requires no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors, and is settled at a future date.

Primary

Refers to being of first importance; main or most significant in terms of consideration or development.

Non-Derivative

A non-derivative is a financial instrument without any underlying assets; its value is determined by the instrument itself, such as stocks or bonds, as opposed to derivatives like options or futures.

Derivative

A financial instrument whose value is derived from the value of another asset, which can include options, futures, and swaps.