In the most general terms, studying the structure of the passages that air takes into the lungs would be considered ________; studying the mechanism for how gases are exchanged between the lungs and the blood would be ________
Fill in the blank(s) with correct word
anatomy; physiology
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In DNA molecules, _____
a. the nucleotides are arranged in a linear, unbranched pattern b. the nitrogenous bases are found on the outside of the molecule c. the phosphate-sugar pattern runs the same way on each DNA strand d. the backbone is internal to the molecule e. the pairing of bases is non-specific
The bacterial cell wall can contain ________
Fill in the blank(s) with correct word
Figure 34.1 (with insert from Figure 34.14)
A. hypothalamus B. pituitary gland C. pineal gland D. thyroid gland E. parathyroid gland F. thymus G. adrenal glands H. pancreas I. ovaries J. testes
The most likely (and most accepted) explanation for the extinction of neandertals is:
A. Interbreeding with modern humans B. Open conflict with modern humans C. Inability to adapt to changing environment D. Inefficient tool culture E. Inefficient social system