The Molecule Fructose 2,6-Bisphosphate

question 6

Multiple Choice

The molecule fructose 2,6-bisphosphate:

• A) is an intermediate in glycolysis
• B) is an intermediate of gluconeogenesis but not glycolysis
• C) does not exist
• D) is an important regulatory molecule in the control of carbohydrate metabolism
• E) none of these

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Definitions:

Systemic Chemicals

Chemical substances that are absorbed by an organism, affecting its entire system rather than a localized area, often used in plants to provide internal protection against pests.

Systemic Herbicides

Chemical substances used to kill unwanted plants, absorbed through the roots or foliage and transported throughout the plant to inhibit growth.

Contact Herbicides

Herbicides that kill plants upon direct contact, typically by disrupting cell membranes or other physiological functions, without being absorbed systemically.

Atrazine

A herbicide widely used to control broadleaf and grassy weeds in crops like corn and sugarcane.