Nitrogenase is an oxygen-sensitive enzyme even though many diazotrophs are aerobic microorganisms
Indicate whether the statement is true or false.
Answer: TRUE
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Which of the following organisms produce organic matter from inorganic molecules?
A. photosynthetic bacteria B. plants C. algae D. autotrophs E. All of the choices are correct.
Which of the following groups of vertebrates lacks bone?
A. ray-finned fishes B. sharks C. amphibians D. reptiles E. birds
Sperm are formed from the direct maturation of
a. sperm mother cells. b. spermatids. c. spermatogonial cells. d. primary spermatocytes. e. secondary spermatocytes.
Name the individual who, while working with the garden pea in the mid-1850s, demonstrated quantitative patterns of heredity and developed a theory involving the behavior of hereditary factors
What will be an ideal response?