What components of eukaryotic cells leave a fossil record?
A. organelles
B. nuclear membranes
C. cell walls
D. None of these choices are correct.
C
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All skeletal muscle fibers are _____
A) smooth and under involuntary control B) smooth and operate independently of other skeletal muscle fibers C) striated and under voluntary control D) smooth and under voluntary control E) striated and electrically coupled to neighboring fibers
Acyclovir is used to treat infections caused by ________.
A. hepatitis C virus B. influenza A virus C. HIV D. herpes simplex virus E. respiratory syncytial virus
How can receptor density be estimated in human subjects?
a. bone scan b. EEG c. two-point discrimination test d. punch biopsy
The vestibular signals project to which of the following areas?
a. vestibular area of the somatosensory cortex b. temporal cortex and autonomic areas in the brainstem c. all of these are true d. spinal cord, pons, thalamus, and cerebellum