Which is not a unique adaptation of sea snakes for marine life?
a. nostrils high on the head
b. reduced or absent scales
c. laterally compressed tail
d. loss of limbs
D
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A newly defined autoimmune disorder has resulted in an immune response against Type V collagen fibers. As a result, the most likely organ to be targeted in this response would be the
A) skin. B) heart. C) lungs. D) stomach. E) tongue.
What is the primary disadvantage of being an osmoregulator?
A. Extra energy has to be used to pump ions into or out of the body. B. Extra energy has to be used to pump water into or out of the body. C. The central nervous system is deprived of critical information about the environment by keeping relatively constant internal conditions. D. Physiological systems do not typically perform well under relatively constant conditions.
____ are examples of trace fossils
a. Skeletons b. Shells c. Seeds d. Footprints e. Leaves
Imagine that Aperture Laboratories produces a toxin, which degrades all tRNAs present in a cell. Which of the following processes would be directly inhibited by this toxin?
A. Transcription B. Translation C. DNA replication D. None of the above