Your abdominal cavity, which contains most of your major organs:a
is a pseudocoelom lined by endoderm.
b. is a pseudocoelom lined by mesoderm.
c. is a coelom lined by endoderm and mesoderm.
d. is a coelom lined by ectoderm.
e. is a coelom lined by mesoderm.
E
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In addition to inhibiting the transpeptidation reaction in cell wall synthesis, penicillins may also destroy bacteria by
A. inhibiting protein synthesis. B. inhibiting DNA replication. C. stimulating proteins to form holes in the plasma membrane. D. None of the choices are correct.
According to the Shannon Diversity Index, which of the five blocks above, with each containing thirty-six squares, would show the greatest diversity?
A) 1 B) 2 C) 3 D) 4 E) 5
Less than ______% of all microbial species have been cultured, identified, and studied.
A. 10 B. 2 C. 1 D. 5
An acoelomate is an animal that
A. has a coelom during early development but later loses it. B. has a pseudocoelom. C. has both a coelom and a pseudocoelom. D. has neither a coelom nor a pseudocoelom. E. has a coelom.