Question

determine whether each statement is true or false.

a) F.W. went isolated the chemical substance responsible for communicating stimulus for communicating stimulus information

b) the chemical substance responsible for communicating stimulus information is a harmone

c) Charles and Francis Darwin confirmed that the tip of a plant stem is responsible for initiating the phototropic response

d) when the tip of a stem is covered with a transparent cap the stem bends toward the light source anyways

e) when the base of a stem is covered with an opaque shield the stem bends away from the light source

f) an example of another control mechanism is that some plants require more then 12 hours of darkness to produce flowers
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Answer 1

Answer:

a) false

b) true

c) false

d)false

e)true

f)true