Which joints are likely to be affected by
osteoarthritis?
a. fingers
b. knees
c. hips
d. backbone
e. all of these
E
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Propionibacterium
A. produces propionic acid. B. produces lactic acid. C. is responsible for the holes in Swiss cheese. D. requires aerobic environments. E. produces propionic acid AND is responsible for the holes in Swiss cheese.
Based on what we know today, what is the best explanation for why the emu, ostrich, and rhea are so similar despite
being geographically separated? What will be an ideal response?
Which of the following is a characteristic of tundra?
A. permafrost B. more than 100 cm of rain a year C. deciduous forests D. temperate climate E. high biodiversity
What word below characterizes the amino acids that are found in an alpha helical segment that spans a membrane?
a) totally parallel b) predominantly antiparallel c) predominantly hydrophilic d) predominantly hydrophobic e) exclusively circular