Each of the following affect cell walls, except ________.
A. cephalosporin
B. penicillin
C. cycloserine
D. vancomycin
E. erythromycin
Answer: E
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Species interactions between members of a
community include __________, which is helpful to one species and does not harm the other species. Fill in the blank(s) with the appropriate word(s).
Which form of hepatitis can lead to fulminant hepatitis in its acute form?
a) Hepatitis A b) Hepatitis B c) Hepatitis C d) Hepatitis D
Most taxonomic groups with simple multicellular organisms never gave rise to complex multicellular descendants
A. true B. false
Anatomical traits are shaped by ____ constraints such as the requirement that a large body cannot evolve without evolution of a circulatory system to distribute material through it
a. evolutionary b. physiological c. chemical d. physical e. cellular