In many freshwater systems, the limiting factor for
algal growth is
a. oxygen.
b. carbon dioxide.
c. nitrogen.
d. phosphorus.
e. calcium.
Answer: d
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A new antibiotic has been developed that inhibits the activity of an enzyme by competitive inhibition. What effect will this have on the activation energy of the enzyme-catalyzed reaction?
A. The activation energy required for the reaction in the presence of the antibiotic would be greater than the activation energy required in the absence of the antibiotic B. The activation energy required for the reaction in the presence of the antibiotic would be less than the activation energy required in the absence of the antibiotic C. The activation energy required for the reaction in the presence of the antibiotic will be the same as the activation energy required in the absence of the antibiotic
The active site of an enzyme
a. is where the coenzyme is located. b. is a specific bulge or protuberance on an enzyme. c. is a groove or crevice in the structure of the enzyme complementary to the substrate. d. will react with only one substrate no matter how many molecules may resemble the shape of the substrate. e. rigidly resists any alteration of its shape
The __________ of an infectious disease is the fraction of a population that contracts that disease during a particular time.
Fill in the blank(s) with the appropriate word(s).
How many net ATP are made from stage 1 glycolysis
What will be an ideal response?