Radiation
What will be an ideal response?
a) energy transmitted by electromagnetic waves. b) the particles given off by radioactive atoms such as uranium. do not confuse radiation with radioactivity.
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After which stage or phase of the cell cycle does cytokinesis occur?
A) M phase B) G1 C) G2 D) S E) G0
Which of the following occurs during forced expiration?
a. The alveoli inflate. b. The ribs move upward. c. The internal intercostal muscles contract. d. The floor of the thoracic cavity moves downward. e. The pressure increases in the thoracic cavity.
Sessile organisms are not animals. True or false?
a. True. An organism must move to be classified as an animal. b. True. Sessile organisms are generally organisms without appendages and, therefore, are not true animals. c. False. Sessile organisms may not move as adults, but they may exhibit movement as larvae. d. False. There is no requirement for movement in defining an organism as an animal. e. Neither true nor false. Organisms are not sessile; individual cells are.
If you are working in a biotech lab and you have only a small amount of DNA available for analysis. Which could you use to duplicate that small piece of DNA repeatedly?
a) restriction enzymes b) plasmids c) cloning d) polymerase chain reaction e) gene libraries