The two components of the binomial name of a microorganism are the
a. order and family
b. genus and variety
c. genus and species
d. family and genus
Ans: c. genus and species
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The reason that better resolution cannot be achieved with the compound light microscopes used in the lab (i.e., the limiting factor of the compound light microscope) is the:
A) “high-tech” capabilities of the company that we purchased them from. B) manner in which the objective lenses were ground. C) fact that the eyepiece (ocular) magnification is only ×10. D) wavelength of visible light.
Which of the following produce lactic acid?
A. Lactobacillus B. Leuconostoc C. Streptococcus D. Lactococcus E. All of the choices are correct
Using the analogy of a 12-hour geologic time clock
a. prokaryotes appear shortly after 5 a.m. b. eukaryotes appear at 9 a.m. c. dinosaurs appear at 10 a.m. d. early fishes appear at 11 a.m. e. the first humans appear at 11:59 a.m.
All plant organs (such as leaves, roots, and stems) contain tissues from all three tissue systems
Indicate whether the statement is true or false