Which One of the Following Is True About Reaction Centers

question 32

Multiple Choice

Which one of the following is true about reaction centers?

• A)Cyanobacteria and plants have two reaction centers arranged in tandem.
• B)Cyanobacteria contain a single reaction center of the Fe-S type.
• C)Green sulfur bacteria have two reaction centers arranged in tandem.
• D)Plant photosystems have a single reaction center of the pheophytin-quinone type.
• E)Purple bacteria contain a single reaction center of the Fe-S type.

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Definitions:

mRNA Codons

Triplets of nucleotides in messenger RNA that specify the addition of a specific amino acid or the termination of translation.

Cytoplasm

Semifluid substance enclosed by a cell’s plasma membrane.

Bacteria

Singular bacterium. The most diverse and well-known group of prokaryotes.

Archaea

Singular archaean. Group of single-celled organisms that lack a nucleus but are more closely related to eukaryotes than to bacteria.