Apicoplasts are structures of apicomplexans that
a. provide motility.
b. function in transmission.
c. serve as resting stages.
d. are degenerate chloroplasts lacking pigments.
Answer: D
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In the biochemical oxygen demand (BOD) test, the factor that should limit biological activity is ________.
A. phosphorus B. carbon C. nitrogen D. oxygen
Viruses that infect bacteria are called ________.
A. viroids B. bacteriophages C. plasmids D. vectors
Both pulse-field gel electrophoresis and Western blotting utilize electrophoresis in their procedures. When comparing the two procedures, which statement is true?
A. Pulse-field gel electrophoresis is excellent for identifying minute genetic differences among strains of one species of an organism. B. Pulse-field gel electrophoresis separates DNA fragments while Western blotting separates proteins. C. The presence of antibodies in a patient specimen can be identified in the Western Blot. D. Pulse-field gel electrophoresis is used for genetic analysis. E. All of the statements are true.
The term "Central Dogma" was first proposed in 1958 by Francis Crick, discoverer of the structure of DNA, to describe the flow of genetic information. In 2-3 complete sentences describe how DNA (genetic information) influences phenotype (physical traits).