The organism used to make bleu cheese is ________.
A. Leuconostoc mesenteroides
B. Penicillium roqueforti
C. Streptococcus lactis
D. Propionibacterium
E. Micrococcus
Answer: B
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The diagram of an antibody above shows ___________
A. tertiary structure only B. quaternary structure only C. tertiary and quaternary structure. D. a sequence of nucleotides E. phospholipid structure
The filamentous bacteria that grow on the dorsal surface of certain polychaete worms
A. fend off potential predators with toxins. B. may provide the worm with protection from toxic metals. C. carry out photosythesis. D. All of the choices are correct.
The observations of Hooke and van Leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory?
a. the germ theory of disease and causative agents b. the theory of spontaneous generation, which held that life forms could arise spontaneously c. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organisms d. the cell theory, stating that all living things are composed of cells
Among the cultural behaviors observed in wild chimpanzees is
A. stone tool making B. termite fishing C. lemur hunting D. All of the above