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TLS Online TPP Program

#Question id: 9285

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

#XL - Q Biochemistry
  1. purple photosynthetic bacteria- Rhodobacter
  2. Cyanobacteria
  3. Blue green algae
  4. Green sulfur bacteria - lithotrophs
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TLS Online TPP Program

#Question id: 4932

#XL - T Zoology

Which of the following is the best hypothesis regarding origins of nucleic acids?
TLS Online TPP Program

#Question id: 4933

#XL - S Microbiology

What structure do protocells have in common with current cells?
TLS Online TPP Program

#Question id: 4933

#XL - T Zoology

What structure do protocells have in common with current cells?
TLS Online TPP Program

#Question id: 4934

#XL - S Microbiology

What is another hypothesis regarding the formation of polymers such as proteins and nucleic acids?
TLS Online TPP Program

#Question id: 4934

#XL - T Zoology

What is another hypothesis regarding the formation of polymers such as proteins and nucleic acids?
TLS Online TPP Program

#Question id: 4935

#XL - S Microbiology

Which gas was least abundant in Earthʹs early atmosphere, prior to 2 billion years ago?