What Is the Mechanism by Which Roundup Works

question 90

Multiple Choice

What is the mechanism by which Roundup works?

• A) Glyphosate is a competitive inhibitor to plant EPSP synthase.
• B) Urea is a competitive inhibitor to plant chorismate synthase.
• C) Glyphosate is an activator to plant EPSP synthase.
• D) Anthranilate is an activator to chorismate synthase.

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Definitions:

Isotopic Age

The determination of the age of a mineral, rock, or geologic event based on the ratio of parent isotopes to daughter isotopes within a given system.

Geologic Timescale

A dating system used chronologically by geologists and other scientists to detail the timing and relationships of historical events on Earth.

Unconformity

A geological feature that represents a gap in the geological record, marking a period where deposition stopped, eroded, then resumed.

Mesozoic

A geological era that spanned from about 252 to 66 million years ago, including the Triassic, Jurassic, and Cretaceous periods.