Which of the following extend as a bundle from the base to the tip of a flagellum or cilium?
a. microfilaments
b. intermediate filaments
c. actins
d. microtubules
Ans: d. microtubules
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Which may result in Gram-positive bacteria appearing to be Gram-negative?
A. Decolorizing too long B. Decolorizing too short C. Using old cultures D. Using young cultures E. Decolorizing too long AND using old cultures
While going for an autumn hike in the forest, you see some trees with green leaves and others with red, yellow, and orange colored leaves. What explains the difference in the leaf color in autumn?
What will be an ideal response?
A blood sample from a patient is examined on a microscope. Bacterial cells are detected in the sample. The patient has
A) bacteremia. B) lymphangitis. C) toxemia. D) lipidemia. E) viremia.
The Gram stain works because of differences in the ________ of bacteria.
A. genetic characteristics B. cell walls C. cell membranes D. antigens E. capsules