The addition of a phosphate group is known as ________.
Fill in the blank(s) with the appropriate word(s).
phosphorylation
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Carbon monoxide ____
a. traps heat in the atmosphere b. is an atmospheric pollutant c. causes acid rain d. interferes with the nervous system e. binds to a hemoglobin molecule and interferes with oxygen uptake
Pyruvate
A) forms at the end of glycolysis. B) is the molecule that starts the citric acid cycle. C) is the end product of oxidative phosphorylation. D) is a six-carbon molecule.
The branching "tree of life" analogy
A) accurately reflects evolution because once a split occurs, species on different branches evolve independently. B) has been discredited because it does not help us understand evolutionary relationships among organisms. C) fails to account for horizontal gene transfer, in which species on different branches exchange genes.
Paedomorphosis is
A. the formation of limbs from fins in the evolution of land vertebrates. B. the change from radial to bilateral symmetry in the evolution of plants and animals. C. the retention of juvenile traits in an adult organism. D. an earlier development of adult traits in an organism. E. the development of different types of eyes from a simpler form.