Secondary metabolites are:
A. sugars
B. lipids
C. proteins
D. nucleic acids
E. All of the choices provided are incorrect.
E. All of the choices provided are incorrect.
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What trends occurred in the size of the sporophyte and gametophyte generations as plants became adapted to life on land? How can these trends be explained?
What will be an ideal response?
Why does reinforcement involve a strengthening of prezygotic, rather than postzygotic, isolation?
A. The rewards of postzygotic isolation are always much smaller than those of prezygotic isolation. B. Reinforcement occurs only rarely. C. Postzygotic isolation has only a minimal evolutionary impact. D. Alleles that prevent interbreeding are more likely to be inherited by viable, nonhybrid offspring than alleles that permit random mating. E. Assortative mating is uncommon.
Which of the following helps activate our innate immune system?
A) active immunity B) inflammation C) passive immunity
Some microbial control agents are able to _____ cell proteins by breaking bonds that maintain the native state, three-dimensional configuration of the proteins.
Fill in the blank(s) with the appropriate word(s).