The loss of water vapor from above ground plant parts is called ____
a. passive transport
b. transpiration
c. root pressure
d. evaporation
e. sublimation
ANSWER: b
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You discover a new plant hormone that stimulates cell division. Which experiment will allow you to determine if it is a cytokinin or gibberellin?
A. Determining where in the plant the hormone is produced will allow you to differentiate. B. Determining where the hormone binds its receptor will allow you to differentiate. C. Determining the role of the hormone in plant tissue culture will allow you to differentiate. D. Nothing will allow you to differentiate, these hormones are indistinguishable.
Cigarette smoking damages the respiratory system by:
a. immobilizing ciliated cells b. killing white blood cells in respiratory tissue c. inhibiting mucus production d. killing white blood cells and inhibiting mucus production e. immobilizing ciliated cells and killing white blood cells
A rat that learns not to approach a certain part of a cage because it has received a shock there exhibiting ____
a. operant conditioning b. shock therapy c. desensitization d. mirroring e. observational learning
Which part of the neuron is responsible for basic cellular maintenance functions?
A. axon B. dendrite C. soma D. myelin sheath E. axon hillock