The general order of classification below the domain or kingdom level is ________.
A. phyla, class, family, order, genus, species
B. phyla, class, order, family, genus, species
C. phyla, order, class, family, genus, species
D. phyla, order, family, class, genus, species
Answer: B
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The difference between an akinete and endospore is that:
A. Akinetes are whole cells filled with food, whereas endospores are bodies produced inside of cells. B. Akinetes are not capable of locomotion whereas endospores move freely. C. Akinetes cannot resist stressful conditions whereas endospores can. D. Endospores cannot resist stressful conditions whereas akinetes can. E. Akinetes are reproductive structures whereas endospores are dormant, resistant structures.
The type of system depicted in the accompanying figure is a(n):
a. open circulatory system.
b. vertebrate circulatory system.
c. closed circulatory system.
d. lymph system.
e. open digestive system
How might a pathogenic bacterium be affected by antibodies?
a. The antibodies may stick to multiple bacteria, causing agglutination. b. The antibodies may coat the surface of the bacteria (opsonization), allowing for it to be tagged for phagocytosis. c. The antibodies may block proteins necessary for binding the pathogen to the host. d. The antibodies may block proteins necessary for binding the pathogen to the host, may opsonize the bacterium, or may agglutinate bacteria.
Which of the following is a hydrophobic material?
A) paper B) table salt C) wax D) sugar