Wolves and bears are placed in the same taxonomic order. Therefore, they must also be classified in the same
a) genus
b) family
c) phylum
d) species
e) specific epithet
Answer: c) phylum
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Most of the following homeostatic responses of animals are obligate. Select the exception
a. carbonic acid buffering system regulating pH of blood b. basking in the sun c. shivering when cold d. kidneys regulating the osmotic content of blood e. closing of capillaries near the skin in the cold
Certain cancer cells have ABC transport molecules at the cell surface. These transporters use energy from ATP to move chemotherapeutic agents out of the cell. Which of the following do you think these transporters are most closely related to?
a. conjugation pilus b. membrane pumps c. altered porins d. beta-lactamase
Choose the true statement about the morphological data in the chart shown below. The "1" in the box means the trait is present and the "0" indicates that the trait is absent.(Note: All of the characteristics across the top of the columns are considered "TRAITS" for purposes of reading the chart.). Traits OrganismJawsLungsAmniotic membraneHairNo tailBipedalLamprey000000Shark100000Salamander110000Lizard111000Tiger111100Gorilla111110Human111111
A. Only the gorilla and humans share all of the derived characteristics. B. All organisms in this chart share all of the derived characteristics. C. The shark is the outgroup since it only has one of the derived characteristics (jaws). D. The lamprey is the only outgroup since it has none of the derived characteristics. E. The salamander and the tiger together are the outgroup because they only share two of the derived characteristics (jaws and lungs).
A patient has an upper GI endoscopic procedure and later develops a severe (endogenous/iatrogenic/secondary) infection with the Gram-negative pathogen known as CRE.
Fill in the blank(s) with the appropriate word(s).