What are the two chemical structures found in RNA but not DNA?
What will be an ideal response?
ribose sugar, uracil base
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Patients who are immunocompromised and women who are pregnant should avoid eating soft cheeses such as Mexican-style, feta, Brie, Camembert, and blue-veined cheeses to prevent:
a. food-borne listeriosis. b. staphylococcal food poisoning. c. gastric gangrene. d. Salmonella infection.
When were African honeybees first found in Texas?
a. 1965 b. 1990 c. 2008 d. 1978 e. 1952
Despite dramatic differences in appearance, size, and behavior, you are surprised to find that two organisms you have been studying are able to reproduce successfully, and produce fertile offspring. Which of these choices is the largest taxonomic category that these two organisms share in common?
a. subspecies b. species c. family d. genus
Which one of the following is TRUE regarding bone repair?
A) Fibrocartilage degenerates where the two broken ends of the bone were once together. B) Osteoblasts convert cartilage to bone in the injured area. C) Immediately after breaking a bone, a hematoma breaks free from the injured area. D) Bones heal more quickly as individuals age. E) The repaired area of a bone is much thinner than the original bone.