The frequency of a sound wave determines the ________ of the sound you hear
A) loudness B) tone C) amplitude D) pitch
D
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What is the minimum number of phage that can initiate the development of a plaque in a bacterial lawn?
A. 25 B. 10 C. 1 D. 5
What process allows odonticetes to use sound waves to distinguish objects?
a. Radar b. Sonar c. Melon d. Echolocation
Why must tropomyosin cover the thin filament in just the right position before the muscle can relax?
A) It covers the myosin-binding sites and, if left exposed, will allow the myosin to bind and pull. B) Without tropomyosin in the correct position, calcium cannot be released. C) It is needed in the proper location, or ATP cannot be used. D) It has a particular binding place that facilitates the removal of calcium.
What is the region in the middle of a replicated chromosome that connects sister chromatids?
A) centriole B) centromere C) karyotype D) chromatid