Which hormone might be able to counteract the leaf drop caused by leaking street lanterns observed by Dimitry Neljubov?
A. gibberellins
B. brassinosteroids
C. cytokinins
D. ethylene
Answer: B
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The level of specific mRNA, and therefore the expression of a given gene in a particular ecosystem, can be evaluated in the environment using in situ reverse transcriptase (ISRT)-FISH.
Answer the following statement true (T) or false (F)
What differentiates diagnostic techniques that employ phenotypic (culture-based) methods from those that employ molecular methods?
a. Phenotypic methods are highly sensitive and specific, while molecular methods are not. b. Phenotypic methods examine the growth behavior of a microorganism and the pro-teins, enzymes, or toxins produced, while molecular methods examine the genetic makeup. c. Phenotypic methods are quantitative while molecular methods are not. d. Phenotypic methods are not limited to de-tection of live organisms as are molecular methods.
During resting exhalation in humans, the diaphragm ____ and the internal intercostal muscles ____
a. contracts; relax b. relaxes; contract c. contracts; contract d. relaxes then contracts; contract then relax e. relaxes; relax
In agriculture, the use of GMOs is regulated by the ____
a. FDA b. AHA c. EPA d. USDA e. NIH