The preferred method for long term storage of bacteria is (freezing/refrigeration/lyophilization).
Fill in the blank(s) with the appropriate word(s).
lyophilization
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This person is credited with devising powerful microscope
A. Watson B. Darwin C. leeuwenhok D. Hooke E. Koch
Snow geese usually select mates of their own color, an example of ____
a. genetic drift b. founder effects c. population bottlenecks d. nonrandom mating e. random mating
Astrobiology seeks to answer all of the following
questions EXCEPT a. What is necessary for life to persist.. b. Is there life on other planets. c. What conditions allowed life to form on earth. d. Can we colonize other planets with life from earth. e. All of these are true.
Which describes an African butterfly species that exists in two strikingly different color patterns?
A) artificial selection B) directional selection C) stabilizing selection D) disruptive selection E) sexual selection