The enzyme nitrogenase is rather unique, as it specifically functions:a
in the absence of oxygen.
b. in the absence of nitrogen.
c. in the absence of carbon dioxide.
d. in the presence of oxygen.
e. in the presence of carbon dioxide.
A
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Cave art by early humans recognized the existence of the major signs of inflammation. The most inclusive set of symptoms of inflammation that might appear in such early human art is _____
A) heat, pain, and redness B) pain and whitening of the surrounding tissue C) swelling and pain D) antibody-producing cells E) swelling, heat, redness, and pain
A homeowner uses a nail to hang a "Home Sweet Home" sign on the trunk of an oak tree. The sign is 2 meters above the ground. The tree grows in height at a rate of 10 cm per year. How high above the ground will the sign be in 15 years?
A) 1.5 meters B) 2 meters C) 3.5 meters D) 152 meters
What is the mechanistic theory?
a. Cancer spreading is determined by the pattern of blood flow b. Fertile environment in which compatible tumor cells could grow c. Age and gender determines the spread of disease d. None of the above
The complete collection of an organism's genetic information constitutes:
A) a chromosome. B) a genome. C) proteins. D) a gene.