What is true about the data in the accompanying figure?
A) The solid line represents a reaction that has been catalyzed by an enzyme.
B) The dashed line represents a reaction that includes an enzyme and a cofactor.
C) Both lines represent endergonic reactions.
D) The energy of the products is higher than the energy of the reactants.
Answer: A
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On a phylogenetic tree, distantly related species diverge from branch points nearer to the tree's:
A. base. B. branches. C. tips. D. trunk.
Barnacles on the bellies of whales or on the shells of mollusks are examples of:
A. mutualism B. predation C. commensalism D. amensalism E. parasitism
The major respiratory muscle is the ____
a. diaphragm b. external intercostals c. internal intercostals d. scalenes e. trapezius
In the process of translation,
a. rRNA is synthesized with sequences complementary to those of tRNA b. nucleotide sequences of tRNA are established c. a strand of mRNA is formed with nucleotide sequences complementary to those of DNA d. a polypeptide is formed in response to the rRNA nucleotide sequence e. a polypeptide is formed as dictated by the nucleotide sequence in mRNA