Some insecticides, such as chlorpyrifos, work by inhibiting the enzyme acetylcholinesterase (AChE), which normally breaks down the neurotransmitter acetylcholine. Where does this insecticide most likely bind to inhibit the enzyme's activity?
A. The part of an enzyme that combines with acetlycholine
B. It does not need to bind with the enzyme directly
C. A sequence of DNA nucleotides that encodes the AChE enzyme protein molecule
D. Any location on the amino acid chain that forms the AChE enyzme
Answer: A
You might also like to view...
How many principle axes are there for the human body?
A. one B. two C. three D. four
The vertebral column contains ________ cervical vertebrae.
A) 4 B) 5 C) 7 D) 12 E) 31
The term urinary calculus means:
A) kidney stones B) lithotripsy C) urinary bladder crystals D) urinary bladder stones
The atrioventricular valves are closed when ________
A) atrial pressure is greater than ventricular pressure B) the atria contract C) the ventricles fill with blood D) atrial pressure is less than ventricular pressure E) atrial systole occurs