Non-O2-evolving (anoxygenic) organisms, contain only a single photosystem such as

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#Question id: 2295

#2. Cellular Organization

The root word "karyon" in the terms "prokaryotic" and "eukayotic" refers to the presence or absence of 

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#Question id: 20995

#12. Applied Biology

Substituent group addition to toluene was not a single attack by succinyl-coa, but two separate reactions involving two molecules of acetyl-coa to give rise to the 

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#Question id: 19841

#13. Methods in Biology

Which of the following is true regarding Reverse transcriptase ?

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#Question id: 20001

#13. Methods in Biology

Antibody excess zone of inhibited precipitation in which__

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#Question id: 11985

#10. Ecological Principles

In  the  territorial  behavior  of  the  stickleback  fish,  the  red  belly  of  one  male  elicits  attack  from  another  male  by functioning as