Which line of defense is most important?
What will be an ideal response?
All three lines of defense depend on each other to function properly and no single line is more important than the other.
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Which organism may be implicated in arteriosclerosis?
A. Escherichia coli B. Pseudomonas aeruginosa C. Staphylococcus aureus D. Chlamydia pneumoniae
Describe the processes that account for the drifting of continents away from one another or toward one another
What will be an ideal response?
Most human embryos that are aneuploid
A. are usually the result of increased nondisjunction in the gametes of older men. B. can develop and survive to adulthood. C. result in sterility. D. are spontaneously aborted in the first trimester. E. result in Down's syndrome.
Lipids are composed primarily of C-C and C-H bonds. Because of this, lipids are
A) nonpolar B) phobic C) hydrophilic D) glycosidic