In the O/F Glucose Medium: If after inoculation and incubation of both tubes with the same bacterium you found that both, the open tube and the closed tube are yellow. What would you presume about the bacterium?
A. This bacterium is microaerophilic
B. The bacterium is asacchrolytic
C. This bacterium is an obligate anaerobe
D. This bacterium is an obligate aerobe
E. This bacterium is a facultative anaerobe
Ans: E. This bacterium is a facultative anaerobe
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Plants in the desert-adapted families Cactacea (cactus) and Euphorbia (euphorbs) share many of the same physical characteristics, such as succulent stems that store water and CAM photosynthesis, but they do not share a recent common ancestor. This evidence suggests that these families are an example of
A. convergent evolution. B. homologous structures. C. vestigial structures. D. divergent evolution.
Intermediate filaments
A) can be composed of the protein vimentin. B) are solely responsible for animal cell shape. C) are composed of ?-and ?-tubulin. D) are 70 nm in diameter. E) both choices A and D
Which of the following images represents the expected results of a DNA gel for three individuals with different genotypes-homozygous dominant (lane 1), heterozygote (lane 2), and homozygous recessive (lane 3)?
What will be an ideal response?
T or F: All muscles attach to the bone through a tendon
What will be an ideal response?