The phase of mitosis in which the centromeres split and sister chromatids are pulled to opposite poles of the cell is
A. E, which is metaphase.
B. A, which is prometaphase.
C. E, which is telophase.
D. B, which is prophase.
E. D, which is anaphase.
E. D, which is anaphase.
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A 6-year-old boy was diagnosed with purulent conjunctivitis caused by a species of Haemophilus. What would the biochemical profile of the organism be?
a. Growth requirements require both X and V factors; the organism is hemolytic on rabbit blood. b. Growth requirements require both X and V factors; the organism is nonhemolytic on rabbit blood. c. Growth requirements require V factor; the organism is hemolytic on rabbit blood. d. Growth requirements require X factor; the organism is nonhemolytic on rabbit blood.
The most common mode of disease transmission in UTIs is ________.
A. opportunism B. aerosol C. endogenous transfer D. fomites E. indirect contact
The ________ coordinates muscle movements of the body
A) hypothalamus B) cerebellum C) cerebrum D) medulla E) parietal lobe
Rough-skinned newts from different regions of the Pacific Northwest vary greatly in their toxicity. Rough-skinned newts are preyed upon by garter snakes that have evolved resistance to the rough-skinned newts' toxin
Assume that newts and garter snakes form a coevolutionary mosaic. Try to predict what would happen if you fed a high-toxicity newt to a garter snake from an area with low-toxicity newts? What will be an ideal response?