Enzymes do not
a. control the speed of a reaction.
b. change shapes to facilitate certain reactions.
c. act on substrates.
d. may require cofactors.
e. react with an active site.
E
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ATP is a nucleotide composed of adenine ____ , and three phosphate groups
Fill in the blank with the appropriate word.
The equation, 6CO2 + 6H2O ? C6H12O6 + 6O2, describes a reaction that
A. is exergonic. B. yields energy. C. occurs in animals only. D. is catabolic. E. is anabolic.
________ is an autoimmune disease characterized by the presence of antibodies that are capable of binding acetylcholine receptors.
Fill in the blank(s) with the appropriate word(s).
Respond to the following statements in reference to the five kinds of species interactions listed below.
A. In this interaction between two species, both species are harmed to some degree. B. In this interaction, one individual or species is usually killed while the other benefits by eating it. C. In this interaction, both species benefit. D. An example of this interaction is that between an epiphyte and its host. E. In this interaction, one species is harmed but usually not killed, to the benefit of the other that lives on or in it.