True or False: Frogs have evolved highly specific sensory receptors for different components of their own species-specific calls; in fact, each auditory nerve is "tuned" to be maximally responsive to distinct features of the call
A. true
B. false
B
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DNA ligase is responsible for repairing thymine dimers caused by UV light
A. true B. false
According to the phylogeny shown below, which of the following is a synapomorphy of ascomycetes and basidiomycetes?
A. regular septa B. complex, multicellular fruiting bodies C. chitin in cell walls D. hyphae E. All the answer options are correct.
Which of the following is not true about enzymes?
A. Enzymes have high-energy bonds between phosphates. B. Enzymes can be denaturated by heat and other agents. C. Enzymes participate in the cell's chemical reactions. D. Enzymes are found in all cells. E. Enzymes are catalysts.
The most prominent lipids in animal cell membranes are
A) phospholipids. B) glycolipids. C) cholesterol. D) phytosterol. E) cerebrosides.