Which organisms would MOST likely be isolated from aerobic growth conditions with acetate and a soil sample heated to 80 °C for 10 min?
A) aerobic or facultative anaerobic acetogens
B) endospore-forming bacteria
C) hyperthermophilic heterotrophic bacteria
D) mycoplasmas
Answer: B
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In an aquatic microbial community where a photoautotroph, chemoorganoheterotroph, and nitrogen fixing bacterium are present, predict an environmental perturbation that would cause only one to be outcompeted by the other two groups and explain how each group would respond
What will be an ideal response?
Glands are derived from _____ tissue
a. epithelial c. muscle b. connective d. nervous
If all the offspring of a testcross are alike and
resemble the organism being tested, then that parent is a. homozygous dominant. b. homozygous recessive. c. heterozygous. d. recessive. e. incompletely dominant.
Kuru is a degenerative disease of the central nervous system believed to be caused by which type of agent?
A) virus B) bacterium C) prion D) viroid E) protozoan