When phytochromes mediate plant responses to shading they could cause:
A. leaves to fall off
B. leaves to turn towards the light
C. no influence on leaves
D. extension of shade leaves into the light
E. leaves to turn brown
D. extension of shade leaves into the light
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Which of the following statements is false?
A. Suspension filter feeding animals are all herbivores. B. The largest baleen whales are suspension filter feeders. C. Suspension filter feeding animals are found in both marine and freshwater environments. D. The similar feeding strategies of scallops and whales are an example of convergent evolution. E. None of these statements is false.
Synteny can be described as the:
A. degree of conservation between sequences. B. evolution of orthologs. C. evolution of paralogs. D. conserved gene order between two organisms. E. conserved number of chromosomes between two organisms.
In a motor neuron, what is the correct order of
structures from the receiving end to the terminal end?
a. axon-cell body-dendrites b. dendrites-axon-cell body c. dendrites-cell body-axon d. cell body-dendrites-axon e. axon-dendrites-cell body
Whether a cell lives or dies after a particular event depends to a large degree on ________ between ________ and _________ signals.
a) the balance, mitotic, cytokinetic b) the balance, proapoptotic, antiapoptotic c) the differences, on, off d) the differences, mitotic, cytokinetic e) the similarities, proapoptotic, antiapoptotic