The ability to determine where a sound is coming from depends primarily on
A. differences in sound intensity in the two ears.
B. differences in time of sound arrival to the two ears.
C. differences in sound frequency received at the two ears.
D. differences in both frequency and intensity at the two ears.
E. None of these choices are correct.
B. differences in time of sound arrival to the two ears.
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Leks are places where male:
a. hanging flies offer female flies meals of dead insects b. fiddler crabs wave their oversized claws to attract female crabs c. bison lock horns and wrestle for dominance d. midwife toads care for strings of eggs e. sage grouse display to attract females
A karyotype of chromosomes from a cancer cell would be most likely to exhibit
A) polyploidy. B) a single missing chromosome. C) a single extra chromosome. D) a normal set of chromosomes because only point mutations have occurred.
Explain why passive immunization is not effective in producing long-term immunity
What will be an ideal response?
In batch fermentation, substrate is added continuously and the product is siphoned off throughout the run.
Answer the following statement true (T) or false (F)