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TLS Online TPP Program

#Question id: 1063

A key feature of all viral infections is the

#Unit 4. Cell Communication and Cell Signaling

  1. integration of viral DNA into host DNA.

  2. disintegration of host DNA.

  3. addition of a lipid membrane to the virus.

  4. separation of viral nucleic acid from the capsid.

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TLS Online TPP Program

#Question id: 10919

#Unit 6. System Physiology – Plant

Both of these observations—________X__________and________Y__________—support the existence of mass flow in the sieve elements of the phloem.
TLS Online TPP Program

#Question id: 10384

#Unit 6. System Physiology – Plant

Nitrogenase enzyme complex catalyzes the molecular nitrogen fixation, this enzyme not only fixes nitrogen but also perform other reactions given below. Which one is not performed by nitrogenase?
TLS Online TPP Program

#Question id: 4140

#Unit 3. Fundamental Processes

Which of the following statements about bacterial mRNA is true?
TLS Online TPP Program

#Question id: 15667

#Unit 8. Inheritance Biology

You set up the following dihybrid mapping cross in fruit flies. 
P e+e+ roro cq cq x ee ro+ro+ cq+cq+. After backcrossing F1 males to ee roro cq cq females, you get the following results: gray body, rough eyes, claret eyes 576; ebony body, smooth, red eyes 564. How can you explain this result?
TLS Online TPP Program

#Question id: 11916

#Unit 10. Ecological Principles

Which one of the following  features of an later community?