What Is the Mechanism by Which the Herbicides Diuron, Atrazine

question 34

Multiple Choice

What is the mechanism by which the herbicides diuron, atrazine and terbutryn are able to kill plants?

• A)They bind to the manganese ions of chlorophyll.
• B)They block electron transport through PSII.
• C)They act as competitive inhibitors of reduced plastiquinone binding to chlorophyll a.
• D)They act as noncompetitive inhibitors of reduced plastiquinone binding to the D1 protein of PSII.
• E)They bind to hemoglobin.

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Definitions:

1950s Writers

Authors and literary figures who were active during the 1950s, a time marked by post-war prosperity and cultural shifts, influencing various genres and styles.

Kennedy

A reference to the prominent American political family, particularly John F. Kennedy, the 35th President of the United States (1961-1963).

Latin America

A region in the Western Hemisphere comprising countries where Romance languages—primarily Spanish and Portuguese, alongside French—are predominantly spoken.

Alliance For Progress

An initiative launched by U.S. President John F. Kennedy in 1961 aimed at establishing economic cooperation between the U.S. and Latin America.