What does statistical analysis of experimental results determine?
A) the amount of bias in the experimental design
B) the likelihood that the results are due to the experimental treatment
C) whether the experiment proves that the hypothesis being tested is correct
D) whether the proper controls were used in the experiment
B
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Which of the following is NOT correct about
the cell cycle?
a. The cell cycle includes all the events that occur from the time that a cell forms until the time it divides. b. During the cell cycle, DNA is replicated. c. The cell cycle always terminates at G2. d. Cytoplasmic division is part of the cell cycle. e. All of these are NOT correct
Which of the following describe source-sink metapopulations?
_____ Sink populations near source populations are less likely to go extinct. _____ Sink populations without access to immigrants from source populations are less likely to go extinct. _____ Source populations usually occupy better habitats. _____ Source populations are less likely to go extinct. _____ The emigration rate from source populations exceeds that from sink populations.
The growth hormone is
a. prolactin. b. adrenalin. c. thyroxine. d. ACTH. e. somatotropin.
The nervous system of many species of flatworms
a. consists of a single, large ganglion in the anterior end. b. is sometimes referred to as tubelike. c. includes two dorsal nerve cords. d. is diffuse and netlike. e. is a “ladder-type.”