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TLS Online TPP Program

#Question id: 5227

One of the characteristics of retrotransposons is that

#Unit 11. Evolution and Behavior

  1. they code for an enzyme that synthesizes DNA using an RNA template.

  2. they are found only in animal cells.

  3. they generally move by a cut-and-paste mechanism.

  4. they contribute a significant portion of the genetic variability seen within a population of gametes.

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TLS Online TPP Program

#Question id: 1564

#Unit 4. Cell Communication and Cell Signaling

When antibodies bind antigens, the clumping of antigens results from ________.
TLS Online TPP Program

#Question id: 23434

#General Aptitude

Pointing to a photograph. Bajpai said, “He is the son of the only daughter of the father of my brother.” How Bajpai is related to the man in the photograph?
TLS Online TPP Program

#Question id: 379

#Unit 1. Molecules and their Interaction Relevant to Biology

A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL of 1.0 M hydrochloric acid. The resulting solution is pH:
TLS Online TPP Program

#Question id: 23366

#General Aptitude

The science of the study of feedback systems in humans, animals and machines is known as:
TLS Online TPP Program

#Question id: 5425

#Unit 8. Inheritance Biology

Two varieties of maize averaging 50 and 20 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 35 inches in height. Out Of the 16 F2 plants, the 5 are 35 inches. What is the probable number of independent segregating polygenes involved in this trait?