Which of the following does NOT describe bacterial flagella?
a. smaller and simpler than eukaryotic flagella
b. consist of a helical fiber of protein
c. found in all motile bacteria
d. powered by a gradient of hydrogen ions
e. lacks microtubules.
C
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Central nervous system (CNS) diseases caused by fungus may occur in
A. cancer patients. B. diabetics. C. AIDS patients. D. immunosuppressed people. E. All of the choices are correct.
In a bottle of water, hydrogen bonding occurs between the hydrogen of one atom and a/an:
A) hydrogen atom in the same molecule. B) hydrogen atom in a different molecule. C) oxygen atom in a different molecule. D) oxygen atom in the same water molecule.
The "red tide" events along coasts are caused by (algae/fungus/protozoa).
Fill in the blank(s) with the appropriate word(s).
Animals that acquire energy efficiently during foraging will increase their fitness by having more energy available for ________.
A. defenses B. reproduction C. competition D. respiration