Sperm requires temperatures cooler than the body's temperature for viability
a. True
b. False
Indicate whether the statement is true or false
True
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What evidence connects political leanings to biological measurements? a. Speed of action potentials correlates with attitudes toward immigration
b. Brain volume divided by body volume correlates with attitudes toward taxation. c. Responses to sudden noises correlate with attitudes toward military force. d. Frequency of eye movements correlates with attitudes toward global warming.
Dr. Tanner is studying the effects of continuous pesticide exposure on auditory function. Using a rodent model, Dr. Tanner monitors the organ of Corti in rats with long-term pesticide exposure via two-photon microscopy. Based on his observations, he suspects that pesticides do indeed disrupt auditory function in the organ of Corti. What did Dr. Tanner observe??
a. ?Pesticide exposure caused the organ of Corti to fill with fluid, preventing the transmission of sound waves. b. ?Pesticide exposure caused the eustacian tube to constrict, restricting the passage of sound waves. c. ?Pesticide exposure caused the ossicles to fracture and fail to vibrate in response to sound waves. d. ?Pesticide exposure caused damage to hair cells, preventing them from bending in response to sound.
Which of the following is NOT an assumption of the one-way randomized ANOVA?
a. the data are interval or ratio b. the underlying distribution is skewed c. the variance among the populations being compared are homogeneous d. all of the alternative are correct.
In most females, the development of the primitive gonad begins to differentiate into ovaries by the ____
a. 9th or 10th week c. 11th or 12th week b. 10th or 11th week d. 12th or 13th week