You Are Examining a Cell Line in Which Activation of the Rho

question 32

Multiple Choice

You are examining a cell line in which activation of the Rho family member Rac promotes lamellipodia formation.Which of the following statements is most likely to be TRUE?

• A)Cells carrying a Rac mutation that makes Rac act as if it is always bound to GTP will polymerize more unbranched actin filaments than normal cells.
• B)Cells carrying a Rac mutation that makes Rac unable to exchange GDP for GTP will polymerize more unbranched actin filaments than normal cells.
• C)Cells carrying a Rac mutation that makes Rac act as if it is always bound to GTP will polymerize more branched actin filaments than normal cells.
• D)Cells carrying a Rac mutation that makes Rac unable to exchange GDP for GTP will polymerize more branched actin filaments than normal cells.

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Definitions:

Automatically Terminate

The ending of an agreement, contract, or employment without the need for action by either party, often triggered by predetermined conditions.

Contractual Capacity

The legal ability of an individual or entity to enter into a contract, requiring an understanding of the terms and the ability to comprehend its obligations.

Promissory Estoppel

A doctrine under which a promise is binding if the promise is clear and definite, the promisee justifiably relies on the promise, the reliance is reasonable and substantial, and justice will be better served by enforcing the promise.

Consideration

A fundamental concept in contract law that involves something of value exchanged between parties as part of an agreement.