External ear defects include all of the following, EXCEPT
A. Anotia
B. Microtia
C. Post-Auricular Appendages
D. Pre-Auricular Appendages
E. Pre-Auricular Pits
Answer: C. Post-Auricular Appendages
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Sequencing technology and molecular phylogenetic analyses have had very little impact on our understanding of the evolution and diversity of life on Earth
Indicate whether the statement is true or false.
The major class(es) of antibiotics that inhibit protein synthesis is/are
A. aminoglycosides. B. tetracyclines. C. macrolides. D. bacitracins. E. aminoglycosides, tetracyclines, AND macrolides.
Bacteria are grown in 15N (heavy) medium and then transferred to 14N (light) medium and are allowed to replicate for 1 generation. The DNA is subsequently isolated and centrifuged in a CsCl2 gradient to yield what type of gradient band(s)?
A. one heavy band. B. one light band. C. one half-heavy (intermediate to heavy and light) band. D. one heavy and one half-heavy band. E. one heavy and one light band.
What type of thinking is required?
What will be an ideal response?