A yellow-pigmented, gram-negative rod on blood agar that is oxidase-positive, motile by wet mount, and has the ability to oxidize glucose, xylose, and sucrose is most likely which of the following?
a. Treponema
b. Leptospira
c. Borrelia
d. Sphingomonas
D
All these characteristics can be used to describe Sphingomonas.
Biology & Microbiology
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True or False: Traits favored by sexual selection are the same traits favored by natural selection
A. true B. false
Biology & Microbiology
During IVF, where does conception occur?
A. in the fimbriae B. in the oviducts C. in the vagina D. in the uterus E. in the laboratory
Biology & Microbiology
Which gametes can a RrYy plant produce? Select one:
a. RrYy b. R or r c. RY or ry d. Rr or Yy e. RY, Ry, rY, or ry
Biology & Microbiology
Which of the following glands produces melatonin, the hormones that regulates sleep?
a) thyroid b) hypothalamus c) pituitary d) pineal
Biology & Microbiology