Identify the labeled structures in the picture of the human ear. 
A:________B:________C:________D:________E:________F:________G:________H:________I:________J:________K:________L:________M:________
What will be an ideal response?
A: semicircular canals
B: vestibular nerve
C: cochlear nerve
D: cochlea
E: auditory tube
F: earlobe
G: auditory canal
H: tympanic membrane
I: pinna
J: stapes
K: incus
L: malleus
M: round window
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The material in the gray crescent of a frog embryo is necessary for normal development
Indicate whether the statement is true or false.
Based on which of the following pieces of evidence about the transforming agent did Avery conclude that DNA is the hereditary material?
A. In an ultracentrifuge, the material migrated like DNA. B. The purified material had the same elements as DNA. C. The material was destroyed by DNA-digesting enzymes. D. The material was not destroyed by protein-digesting enzymes. E. All of the choices are correct.
A reaction where an electron is lost is called ________.
A. reduction B. oxidation C. ionization D. decomposition E. dissolution
After his voyage on the HMS Beagle, Charles Darwin produced a monograph based on what animal?
a. Galapagos Tortoises b. Barnacles c. Mussels d. Finches