Marceau is studying small single-celled organisms that lack nuclei. These organisms can be broadly classified into the domain:
A. Animalia
B. Bacteria
C. Fungi
D. Protista
Answer: B
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A pharmaceutical company develops a drug inhibiting mitosis of sporozoites in an effort to prevent malaria. How would this affect the next step of the infection cycle of Plasmodium falciparum?
A. Merozoites would not be produced. B. Gametocytes would not be produced. C. Gametes would not be produced. D. Infected red blood cells would not attach to the linings of capillaries. E. Infected red blood cells would not burst.
In the figure above, which number identifies the portion of the cell that houses the metabolic
machinery?
a. 1 b. 2 c. 5 d. 8 e. 4
Microfilaments function in
A) muscle contraction. B) cytoplasmic streaming. C) cell division. D) maintenance of animal cell shape. E) All of the above.
The capacity for some tRNAs to recognize more than one codon in mRNA is explained by a phenomenon called
a. redundancy. b. wobble. c. a reading frameshift. d. degeneracy.