Which of the following was produced in experiments on primitive Earth conditions conducted by Miller-Urey and others?
A. ammonia and water
B. amino acids
C. CO2 and H2O
D. ammonia and hydrogen sulfide
E. methane and oxygen
B. amino acids
Biology & Microbiology
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The nitrogenous waste that requires the most energy to produce is _____
A) ammonia B) ammonium C) urea D) uric acid
Biology & Microbiology
Stimulating the vagus nerve would cause
A. a release of epinephrine. B. blood volume to increase. C. increased firing of the SA and AV nodes D. blood pressure to rise. E. heart rate to decrease.
Biology & Microbiology
What are three important differences between mitosis and meiosis I?
What will be an ideal response?
Biology & Microbiology
To stabilize the environment in the Biosphere II habitat and enable it to become self-sufficient again, it would be helpful to
What will be an ideal response?
Biology & Microbiology