The most widely used herbicide in the world, 2,4-D, is a synthetic form of ____
a. abscisic acid
b. ethylene
c. salicylic acid
d. gibberellin
e. auxin
ANSWER: e
Biology & Microbiology
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Nicotine mimics ____ in its effects on the nervous system
a. adrenalin b. acetylcholine c. dopamine d. endorphins e. analgesics
Biology & Microbiology
Contrast the following terms: monophyletic, paraphyletic, and polyphyletic. Provide one example for
each. What will be an ideal response?
Biology & Microbiology
Which chemical process occurs in which a substance loses electrons?
a. entropy b. enthalpy c. oxidation d. reduction e. anabolism
Biology & Microbiology
Explain why, after the Industrial Revolution in England, dark-coloured pepper moths became more abundant than the usual light-coloured moths, and why this case is often cited as an example of evolution by natural selection.
What will be an ideal response?
Biology & Microbiology