All of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT
A) methicillin resistance.
B) M proteins.
C) the ability to damage cell membranes.
D) the ability to dissolve blood clots.
E) hyaluronidase production.
A
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Which of the following statements comparing fungal and animal nutrition is correct?
A. Fungi digest and then absorb food, whereas animals ingest and then digest food. B. Fungi are autotrophs, whereas animals are heterotrophs. C. Fungi and animals both ingest their food prior to digestion. D. Fungi are unable to break down complex molecules, whereas animals can breakdown complex molecules. E. Fungi and animals both actively move through the environment in search of food.
Partially acid-fast aerobic actinomycetes include:
a. Nocardia. b. Mycobacteria. c. Streptomyces. d. Actinomadura.
Which group of animals is endothermic?
a. fishes. b. mammals. c. reptiles. d. amphibians.
Photosynthesis occurs in the chloroplasts of cells and cell respiration occurs in the mitochondria. Plants undergo both reactions.
A. true B. false