You are given an electron micrograph of a bacterial cell. In the micrograph you can clearly see three thin layers of different densities surrounding the cell
Based on the micrograph, you can infer that this cell is ________ and would appear ________ after application of the Gram stain procedure.
A) gram-positive / purple
B) gram-negative / pink
C) gram-positive / pink
D) gram-negative / purple
Answer: B
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Which of the following are bryophytes?
A. liverworts, ferns/horsetails, and gymnosperms B. liverworts, hornworts, and mosses C. lycophytes, liverworts, and gymnosperms D. mosses, hornworts, and lycophytes E. angiosperms, gymnosperms, and ferns/horsetails
A 17-year-old male with a severe eye infection admits that he does not clean his contact lenses as often as he should. His eye infection is most likely the result of which parasite?
a. Toxoplasma gondii b. Isospora belli c. Strongyloides stercoralis d. Acanthamoeba spp.
What is the digestive system microbiome?
A) all of the "good" bacteria living in a person's digestive system B) all of the "bad" bacteria living in a person's digestive system C) all of the bacteria living in a person's digestive system
Describe three genetic mechanisms whereby proto-oncogenes can become overexpressed
What will be an ideal response?