What cellular event is a trigger for cancer?
A. peroxisomal degradation
B. DNA mutation
C. mitochondrial failure
D. ribosomal dysfunction
Answer: B
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Which of the following statements regarding REM sleep is false?
a) The electrical activity that characterizes REM sleep seems to resemble wakefulness more than rest. b) REM is accompanied by low-voltage, fast changes in EEG. c) Your body cannot move during REM sleep. d) REM is often accompanied by highly detailed and vivid illusions called dreams. e) Although the metabolic activity of the brain during REM sleep resembles wakefulness, the electrical activity of the brain appears to be quite different.
Marla is watching her daughter, Daisy, try to color within the lines in her favorite coloring book. Daisy knows how to hold the crayons, can see the pictures properly, and understands the idea of not going over the lines, but she struggles to control the crayon. Marla does not like seeing Daisy get upset when she crosses a line, so she sits to help her by holding the crayon with her. According to
research presented in your chapter, which of the following should you expect as a result of Marla's assistance? a. Daisy will develop more interest in coloring. b. Daisy will learn to color less efficiently. c. Daisy will lose interest in coloring very soon. d. Daisy will learn to color faster.