A cell placed in a(n) ____________________ solution will swell. Fill in the blank(s) with the appropriate word(s)
ANSWER: hypotonic
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The microtubule-organizing center (MTOC)
A) serves as a site for microtubule and microfilament assembly. B) acts as an anchor for both ends of the microtubule. C) is associated with two centrioles in plant cells. D) is called a centrosome during interphase. E) is positioned near the cell membrane.
Consider a typical food chain. Which level would be at the greatest risk of suffering from exposure to
a toxin based on the concept of biological magnification? What will be an ideal response?
DNA is associated with RNA and certain proteins forming chromatin
__________________Indicate whether the statement is true or false.
Motile bacteria have been placed in an environment with a gradient of a chemical attractant. Which of the following behaviors would you predict?
A. The bacteria will only exhibit runs away from the chemical. B. The bacteria will reduce run duration in the direction of the chemical. C. The bacteria will reduce tumbling frequency. D. Bacteria will randomly switch back and forth between runs and tumbles. E. The bacteria will both reduce tumbling frequency and increase run duration in the direction of the chemical.