Which of the following in excess irreversibly inhibits the enzyme nitrogenase?
a. O2
b. NO3?
c. N2
d. CO2
Ans: a. O2
Biology & Microbiology
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The peripheral nervous system is composed of:
A. sensory neurons. B. cranial nerves. C. spinal nerves. D. All of the answer options are correct.
Biology & Microbiology
Long-day plants typically flower in which season?
a. fall b. spring c. summer d. winter
Biology & Microbiology
Spindle fibers are formed during
A. Transcription B. Cell division C. Aerobic respiration D. Protein synthesis E. Photosynthesis
Biology & Microbiology