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TLS Online TPP Program

#Question id: 947

 Which is not part of the synthesis reactions for histidine?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. phosphoribosyl pyrophosphate (PRPP)

  2. glutamine

  3. imidazole glycerol phosphate

  4. indole glycerol phosphate

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TLS Online TPP Program

#Question id: 13177

#Unit 10. Ecological Principles

Deserts typically occur in a band at 30 degrees north and south latitude because
TLS Online TPP Program

#Question id: 2942

#Unit 2. Cellular Organization

During mitosis, the breakdown of the nuclear envelope depends on the:
TLS Online TPP Program

#Question id: 3619

#Unit 8. Inheritance Biology

Alleles that are both expressed in a heterozygote are
TLS Online TPP Program

#Question id: 3060

#Unit 2. Cellular Organization

A bacteria having doubling time of 1 minute, fills a cylindrical vessel completely in 3 hours. How much time will it take to fill half of the vessel?
TLS Online TPP Program

#Question id: 1912

#Unit 4. Cell Communication and Cell Signaling

Which of the following allogeneic grafts does NOT require immunosuppression?