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TLS Online TPP Program

#Question id: 4963

Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?

#Unit 11. Evolution and Behavior

  1. cyanobacteria

  2. chloroplasts

  3. mitochondria

  4. seaweeds

More Questions
TLS Online TPP Program

#Question id: 32143

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Question id: 32144

#Unit 1. Molecules and their Interaction Relevant to Biology

Extremely narrow but very deep of Major-groove proportions are found in
TLS Online TPP Program

#Question id: 32145

#Unit 1. Molecules and their Interaction Relevant to Biology

Flattened out on helix surface of Major-groove proportions are found in
TLS Online TPP Program

#Question id: 32146

#Unit 1. Molecules and their Interaction Relevant to Biology

Very broad but shallow minor groove found in
TLS Online TPP Program

#Question id: 32147

#Unit 1. Molecules and their Interaction Relevant to Biology

Extremely narrow but very deep minor groove found in
TLS Online TPP Program

#Question id: 32148

#Unit 1. Molecules and their Interaction Relevant to Biology

hexanucleotide m5CGATm5CG, a Py-Pu- Pu-Py-Py-Pu sequence containing two 5-methylcytosines (m5C), crystallizes as