Evidence that early humans were able to walk upright includes
A. spinal cord exits at the bottom of the skull.
B. shorter arms.
C. bowl-shaped pelvis.
D. All of the choices are correct.
Answer: D
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This microbe is photosynthetic, but in the absence of light it can use organic compounds as an energy source. Its carbon source is an organic compound. The appropriate classification for this organism would be ________.
A. photoautotroph B. lithotroph C. chemoautotroph D. photoheterotroph
Edema that occurs with the excess of interstitial fluid, often determined by putting pressure on the arms and legs is known as.
A) generalized edema. B) pitting edema. C) ascites. D) cerebral edema.
As cheese ages, it gets
A) more acidic. B) more whey. C) more protein. D) saltier. E) more alcoholic.
Which eukaryotic DNA polymerase would least likely be involved in repair?
A) ? B) ? C) ? D) ? E) ?