Cowbirds have inflicted significant damage on native North American songbirds by ________
a. introducing diseases such as avian malaria
b. mobbing nesting birds and eating the eggs when the parents are chased away
c. displacing them from nesting sites
d. nest parasitism, laying eggs in the nests of other species
d
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The language of nucleic acids is converted to the language of amino acids during the process known as ____
Some help with this one please? Thank you.
The drug of choice for the treatment of granuloma inguinale, which is a major cause of genital ulcers in India, New Guinea, and part of South America, is:
a. clindamycin. b. doxycycline. c. imipenem. d. gentamycin.
Which of the following is the best definition of desertification?
a. a drought-like condition where rainfall is 20% less than normal for a period of over 2 years b. a conversion of grassland or woodlands to desert-like conditions c. an ecological disaster d. a process where farm animals overgraze prairie lands
Molecules called uncouplers allow protons to cross the inner mitochondrial membrane, which decreases the proton gradient potential. Consequently, ATP production in the mitochondria would
A. not change, because protons cross the outer mitochondrial membrane to produce ATP. B. increase, because this would spontaneously establish a proton gradient for powering ATP synthase. C. decrease, because the proton gradient, for powering ATP synthase, would dissipate. D. increase, because this would make more oxygen available in the mitochondrial matrix. E. decrease, because electrons would not be able to move through the electron transport chain.