Water molecules readily form hydrogen bonds with other polar molecules, and when they encounter nonpolar molecules they must form hydrogen-bonding networks with neighboring water molecules
Which of the following molecules will cause a "cage" of water to form?
(a) 2-methylpropane
(b) acetone
(c) methanol
(d) urea
(a)
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A protein that interacts with an antibody is called a(n) ____________________
Fill in the blank(s) with correct word
Members of what domain are evolutionarily
closest to eukaryotes? a. Animalia b. Protista c. Fungi d. Bacteria e. Archaea
The ________ model of population growth assumes that essential resources are unlimited and that the environment is constant
Fill in the blank(s) with correct word
Why is the African elephant considered a keystone species?
A) Elephant populations are larger than the populations of any other organisms in their community. B) The removal of elephants from their community would result in drastic changes in the ecological structure of the community. C) Elephants live in large cooperative herds that dominate other smaller groups within the community. D) Elephants eat more food than any other species in their community. E) It is the largest organism in its community.