What is the significance of bacteria in the genus Rhizobium?
a. They provide fixed carbon dioxide to legumes.
b. They provide fixed nitrogen to legumes.
c. They carry out photosynthesis.
d. They carry out respiration.
e. They carry out decomposition..
B
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The monomorphic fungus Rhizopus is a(n)
A. common bread mold. B. toxic mushroom. C. opportunistic pathogen. D. true pathogen. E. common bread mold and an opportunistic pathogen.
Diploid organisms use meiosis to produce haploid cells. Meiosis consists of how many rounds of nuclear division?
A. one B. two C. three D. four E. none of these
Studies of the Pax6 and homologues suggest that the
A. eye has evolved independently multiple times. B. eyes of many different species are descended from a common ancestor. C. master gene of the eye in various species is not homologous. D. eye has evolved independently multiple times and master gene of the eye in various species is not homologous are correct. E. eyes of insects, like Drosophila, derived many times from many ancestors.
Studies have shown that the longer one engages in moderate exercise conditions,
A. the more fats are used as the prime source of energy. B. the more glycogen is stored in muscle cells. C. the more protein is spared from being used to provide energy. D. All of these answers are true.