Which lineage includes American alligators?
a. Sphenodontia
b. Squamata
c. Amphibia
d. Archosauria
Ans: d. Archosauria
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The cochlea is an organ of auditory transduction that contains _____
A) fluid and cells that can undergo mechanosensory transduction B) air and cells that produce wax C) air and small bones that vibrate in response to sound waves D) fluid with stacks of chemosensory cells E) air and statocysts activated by movement
Accuracy in the translation of mRNA into the primary structure of a polypeptide depends on specificity in the _____
A) binding of ribosomes to mRNA B) binding of the anticodon to small subunit of the ribosome C) attachment of amino acids to rRNAs D) binding of the anticodon to the codon and the attachment of amino acids to tRNAs
Figure 23.12
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The accompanying figure illustrates the life cycle of a(n) ____.
A. zygomycete B. ascomycete C. basidiomycete D. glomeromycete E. lichen
A particular mRNA makes a protein that has a unformylated methionine as its first amino acid. Did this mRNA come from a bacterial or a eukaryotic cell? Explain
What will be an ideal response?