Which medium can be described as suppressing the growth of most gram-negative organisms while allowing gram-positive bacteria to grow?
a. Chocolate
b. CNA blood
c. BHI
d. Thioglycollate broth
B
CNA blood agar contains colistin and nalidixic acid, which inhibit most gram-negative organisms while allowing gram-positive bacteria to grow.
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Plasmodium vivax causes a more serious form of malaria than does P. falciparum
Indicate whether the statement is true or false.
Cytoplasmic division in animal cells involves _____.
A. formation of a cell plate B. formation of a deepening cleavage furrow C. the division of sister chromatids D. the formation of evenly spread cytoskeletal elements under the entire plasma membrane E. the synthesis of new spindle fibers
What are the common characteristics of all eukaryotic cells?
A. nucleus, B. cell membrane, C. cytoplasm D. All of the above
In Table 12.1, which spore is in a sac and results from the fusion of two nuclei from different strains of the same fungi?
A) 1 B) 2 C) 4 D) 6 E) 8.