Proteinaceous infectious particles are known as ________.
Fill in the blank(s) with the appropriate word(s).
Ans: prions
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In an enzyme-catalyzed reaction, the reactant is called the
A. coenzyme B. catalyst C. substrate D. product
Which ecosystem has the lowest percentage of total net primary productivity?
a. open ocean b. savanna c. swamp and march d. temperate deciduous forests e. tundra
The following are main points of the example of the Amphipod and Sea Butterfly except:
a. Fish are confused by the amphipods. b. A new form of symbiosis was observed. c. A "kidnapping" behavior was observed. d. An example of chemical defense was seen e. The scientific method was utilized.
The thermal niche of a desert organism __________________.
a. will differ from that of a polar organism. b. will include very low temperatures. c. will include the critical thermal maximum of a polar organism. d. is unlikely to include high temperatures. e. is unlikely to limit its distribution on Earth. f. I don't know the answer