A chain of ganglia that extends the length of a body called the ______.
A. ganglion
B. sensory neurons
C. notochord
D. nerve net
E. nerve cord
Answer: E
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Although similar in function, the eukaryotic ribosome is generally smaller and more complex than the prokaryotic ribosome.
Answer the following statement true (T) or false (F)
Why are there more tissues available for transplant than organs?
A) Tissues can be transplanted regardless of blood type, but the blood types must match between organ donors and recipients. B) Nonhuman animals are the source of most tissue transplants, but organs for transplant must come from humans. C) Tissues can be removed from living donors, whereas organs can only be removed from dead bodies. D) Tissues can be frozen and preserved, but organs deteriorate quickly without nourishment from oxygen and blood.
The majority of medically significant microorganisms are
A) thermophiles. B) mesophiles. C) psychrophiles. D) halophiles
Theoretically, the production of sterile mules by interbreeding between female horses and male donkeys should
A) result in the extinction of one of the two parental species. B) cause convergent evolution. C) reinforce postzygotic barriers between horses and donkeys. D) weaken the intrinsic reproductive barriers between horses and donkeys. E) eventually result in the formation of a single species from the two parental species.