An action potential is an abrupt and transient change in the membrane potential of an excitable cell
1.True
2.False
1
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The reason why dwarf pea plants are shorter is because
a. an enzyme involved in gibberellin hormone synthesis is missing. b. the plants completely stop growing shortly after sprouting. c. they cannot make any gibberellin hormone. d. they produce very little gibberellin hormone. e. they produce an excess of gibberellin hormone.
Oils from rapeseed and hemp are used in four of the following. Which one is the exception?
a. detergents b. dye c. skin care products d. fuel e. industrial lubricants
The uptake of minerals by decomposers is referred to as
A) mineralization. B) immobilization. C) net mineralization rate. D) decomposition.
Homeostasis in living organisms involves processes that:a
provide for unlimited growth. b. allow unrestricted movement. c. allow for adaptation to a harmful environment. d. permit a response to stimuli from either the internal or external environment. e. maintain a constant internal environment.