__________ counters the effects of mutation, natural selection, and genetic drift. Fill in the blank(s) with the appropriate word(s)
Gene flow
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Oral rehydration solutions that contain both salt and glucose are highly effective in treating severe dehydration caused by diarrhea and vomiting. However, glucose or salt alone are not effective. This is because water passively follows
A. sodium and glucose, which are cotransported across the gastrointestinal epithelium. B. glucose and sodium, which are transported by facilitated diffusion. C. glucose, which provides the energy for the active transport of salt. D. ATP, which is required to transport sodium unless glucose is available for cotransport. E. glucose that is broken down quickly in the mouth by saliva and cotransported with salt via diffusion across the epithelial cells of the oral cavity.
Vascular plant bodies typically consist of a(n) ____ shoot system and a ____ root system
a. photosynthetic; photosynthetic b. nonphotosynthetic; photosynthetic c. photosynthetic; nonphotosynthetic d. nonphotosynthetic; nonphotosynthetic e. heterotrophic; phototrophic
Explain what genetic ‘trick’ could have confounded Mendel is his recognition of segregation? What will be an ideal response?
Who formulated the hypothesis that certain chemicals could kill microbes without harming humans was the foundation for chemotherapy?
A. Ehrlich B. Koch C. Gram D. Lister E. Pasteur