Which of the following encompasses the other two?
a. cancer
b. neoplasm
c. tumor
B
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The vertebrate spinal cord develops from the embryonic _____
A) notochord B) dorsal hollow nerve cord C) pharyngeal pouch D) coelom E) podia
The microbiologist receives a sputum specimen for culture in the microbiology laboratory. Upon receipt the microbiologist should:
a. complete the set-up of media for identifi-cation of pathogens. b. complete a direct Gram stain and prelimi-nary report. c. complete an abbreviated work-up of the specimen. d. complete a culture and definitive identifi-cation of pathogens.
Which of these does not match the type of cellular transport with the level of energy necessary for its function?
A) simple diffusion: no energy required B) facilitated diffusion channel: no energy required C) facilitated diffusion carrier: energy required D) active transport: energy required E) facilitated diffusion carrier: no energy required
In the PCR technique, what bonds are broken when DNA is heated?
A. Hydrogen D. Hydrogen and covalent B. Covalent E. Hydrogen, covalent, and ionic C. Ionic