Class I MHC molecules do which if the following?
A) pick up dead antigens
B) seek out antigen molecules that have been synthesized inside a virus infected cell
C) both a and b
D) neither a nor b
B
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Urine flows from the bladder out of the body through the
A. renal pelvis. B. ureter. C. urethra. D. collecting duct.
The ____________________ ____________________ provides paleontologists with a unique look at the soft-bodied
organisms that thrived in the Middle Cambrian. Fill in the blank(s) with the appropriate word(s).
What may result from transportation and deposition?
A) weathering and erosion B) cooling and crystallization C) fragments become sediments D) precipitation and lithification
The United States, in modern times, and in comparison to Canada and other developed countries has a ________ disparity between rich and poor, and a ________ rate of crime and accident rates
A) Greater/higher B) Greater/lower C) Lesser/higher D) Lesser/lower