On Gram stain, which organism appears thin in the center and thicker at the ends?
a. Agrobacterium yellow group
b. CDC groups EO-3 and EO-4
c. E. meningoseptica
d. E. brevis
C
Chryseobacterium spp., E. meningoseptica, and the CDC group IIb are medium-to-long straight rods and often appear as "II-forms" (i.e., cells that appear thin in the center and thicker at the ends). E. brevis varies in being short-to-long rods. Agrobacterium yellow group is slender, me-dium-to-long gram-negative rods. The CDC groups EO-3 and EO-4 are coccobacilli, and the CDC groups O-1, O-2, and O-3 are short gram-negative curved rods.
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a. condensation b. cleavage c. functional group transfer d. electron transfer e. rearrangement
What two colors of light drive most of photosynthesis?
A) green and yellow B) red and green C) blue and green D) red and blue E) red and yellow
The insertion of foreign DNA directly into a cell's nucleus using a glass micropipette is called (electrophoresis/electroporation/microinjection).
Fill in the blank(s) with the appropriate word(s).
The typical transmission of dimorphic fungi is inhalation of ________.
Fill in the blank(s) with the appropriate word(s).