Increased intake of which of the following can help prevent osteoporosis?
A) Calcium B) Caffeine C) Vitamin C D) Alcohol
A
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How can hybridoma cells be kept alive for extended periods of time? (Check as many as apply.)
A) Growing them in a field of ionizing radiation. B) Growing them at refrigerator temperature. C) They can't. Once removed from the host animal the cells die quickly. D) Using the appropriate cell culture techniques. E) Placing them into a susceptible host where they will form a tumor.
Which of the following is not considered a factor in major smog occurrences?
A. heavy motor vehicle traffic B. high temperatures C. sunny weather D. moderate winds
What yoga pose involves forming a triangle, with your buttocks at the top and your outstretched hands and feet forming the base?
A) ?warrior B) ?thunderbolt C) ?half boat D) ?downward dog E) ?full locust
Which proteins on the antigen-presenting cell are recognized by the helper T-cell?
CD8 receptors MHC proteins IL-1 receptors IL-2 receptors