Which disease has an allergic cause?
Select one:
a. otitis media
b. laryngitis
c. asthma
d. pneumonia
e. emphysema
c. asthma
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Rank the elements carbon, sodium, calcium, and iodine in order of decreasing number of protons
A. CNaCaI B. ICaNaC C. ICCaNa D. CCaNaI
In chemiosmosis, ATP is produced as hydrogen ions (protons) pass through _____
a. ATP synthase b. ATP decarboxylase c. ATP dehydrogenase d. a series of electron carriers e. the outer mitochondrial membrane
With ____, individual cells can be coaxed to divide and form embryos in a laboratory.
A. in vitro fertilization B. sexual reproduction C. tissue culture propagation D. vegetative reproduction E. grafting
What is the primary reason that a hot spring will kill a fish placed in it but encourage the growth of certain bacteria?
A) The high temperatures destroy most of the fish's enzymes, but the specialized bacteria have enzymes adapted to these temperatures. B) Fish cannot feed directly on bacteria, but the bacteria can feed on dead fish. C) At hot spring temperatures, the metabolic activity of the fish's cells is so rapid that it runs out of food reserves and dies; the bacteria feed on the dead fish. D) Bacterial growth at high temperatures is so rapid that it deoxygenates the water and kills the fish.