Notes and observations of the venus fly-trap showed that:
A. the plant reacts to all stimuli
B. The plant reacts to things that give off a strong electrical charge
C. The plant is very sensitive and responds to specific stimuli
D. The plant response is time sensitive
E. none of the these
C. The plant is very sensitive and responds to specific stimuli
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Chlorophyll absorbs primarily __________ and __________ regions of the visible spectrum
a. blue; red b. green; yellow c. red; green d. red; yellow e. blue; yellow
If a cell containing 20 chromosomes divides by meiosis, how many daughter cells will be produced?
a) 10 b) 20 c) 8 d) 2 e) 4
Suppose that the team of scientists conducted the following experiment: They mixed the PR proteins with DNA in a test tube and measured the amount of protein that bound to the DNA after 10 minutes under variable amounts of light. What was the independent
variable in their experiment? A) the amount of light that they exposed the test tube to B) the amount of PR proteins bound to DNA C) the type of PR proteins used in the experiment D) the amount of time the light was exposed to the test tube
What is the default state of a gene whose expression is controlled by a repressor? An activator?
What will be an ideal response?