Plastocyanin is a

A) membrane-bound sac found in certain bacteria.
B) photosynthetic pigment found in some bacteria.
C) copper-containing protein in photosystem II that donates electrons to photosystem I.
D) blue-green bacterium known for its unusual photoreactive complex.


Answer: C

Biology & Microbiology

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Four of the five events listed below occur in the

inflammatory response. Select the exception. a. increase in capillary permeability b. release of histamine c. dilation of blood vessels d. decrease in temperature of the affected areas e. migration of phagocytes toward the affected area

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Darwin spent five years doing research while sailing on the ____

a. H.M S. Pinafore b. H.M S. Beagle c. H.M S. Constitution d. H.M S. Independence e. H.M S. Weatherford

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If you were to design a novel hydrophobic protein, which type of monomers would be most essential to incorporate in the molecule in order to achieve the desired result?

A. Purine-containing deoxyribonucleotides B. Amino acids with charged side chains  C. Amino acids with nonpolar side chains D. Hydrophobic nucleic acids E. Polar amino acids

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The layering of sediments above fossil remains is called ____

a. sedimentation b. divergence c. stratification d. entombment e. layering sequence

Biology & Microbiology