The Human Genome Project completed in 2003 focused on sequencing the genome(s) of _____
a. the mouse only
b. humans only
c. bacteria only
d. humans and prokaryotes only
e. humans and other model organisms
ANSWER: e
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Which of the following processes is able to move
heat away from the body and is used by humans? a. convection b. evaporation c. conduction d. radiation e. collection
Analysis of the genome and transcriptome of the highly radiation resistant bacterium Deinococcus radiodurans has revealed all of the following EXCEPT ________.
A. it has more DNA repair genes than E. coli B. genes whose products are involved in cell wall metabolism and cellular transport are dramatically up-regulated after irradiation C. its genome consists of two circular chromosomes and two plasmids D. genes whose products are involved in DNA replication and recombination are dramatically up-regulated after irradiation
Consider a U-tube that initially contains pure water on one side of a selectively permeable membrane
and water plus solute on the other side. Which of the following best describes what will happen next? a. Solute molecules diffuse across the membrane faster than water molecules. b. The fluid level rises on the side containing the pure water. c. The diffusion of water molecules causes an osmotic pressure to build up in the tube. d. Solute molecules are transported across the membrane by facilitated diffusion. e. Some water molecules become "bound up" with solute molecules and do not diffuse freely.
Which of the following statements concerning Pasteurella is FALSE?
A) It is oxidase positive. B) It is nonmotile. C) Humans are typically infected via animal bites. D) It is fastidious in its growth and must be cultivated on blood or chocolate agar. E) It is very resistant to a wide variety of antibacterial drugs including fluoroquinolones.