What physical features characterize the deep sea? Describe three factors
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The deep-sea is characterized by being extremely cold, with an average temperature around 2o C. This environment is also completely dark, with the exception of bioluminescence from marine organisms. Finally, water pressure in the deep sea is very high.
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The deflection by the earth's rotation of atmospheric flow to the right in the Northern Hemisphere, and to the left in the Southern Hemisphere, is known as the
A. Hadley effect. B. Gulf Stream. C. Coriolis effect. D. intertropical convergence zone. E. solar radiation effect.
A drug, colchicine, can be added to cells in culture and it stops the polymerization of microtubules. What effect would this have on mitosis?
A. It would slow or block mitosis by interfering with the spindle apparatus function. B. It would speed up mitosis by increasing the rate of DNA replication. C. It would speed up mitosis by increasing the elongation rate of the dividing cell. D. It would slow or block mitosis by preventing DNA replication.
Which process results in genetic recombination, but is separate from the process wherein the population size of paramecium increases?
A) budding B) meiotic division C) mitotic division D) conjugation E) binary fission
Investigate sexual selection by completing the sentences.
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