TLS Online TPP Program

#Question id: 330


Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become

#Section 2: General Biology
  1. 1/4th of its original value

  2. 1/8th of its original value

  3. 4 times of its original value

  4. 8 times of its original value

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TLS Online TPP Program

#Question id: 3782

#Section 3: Genetics, Cellular and Molecular Biology

In his work with pneumonia-causing bacteria and mice, Griffith found that

TLS Online TPP Program

#Question id: 3783

#Section 3: Genetics, Cellular and Molecular Biology

What is the basis for the difference in how the leading and lagging strands of DNA molecules are synthesized?

TLS Online TPP Program

#Question id: 3784

#Section 3: Genetics, Cellular and Molecular Biology

In analyzing the number of different bases in a DNA sample, which result would be consistent with the base-pairing rules?

TLS Online TPP Program

#Question id: 3785

#Section 3: Genetics, Cellular and Molecular Biology

The elongation of the leading strand during DNA synthesis

TLS Online TPP Program

#Question id: 3786

#Section 3: Genetics, Cellular and Molecular Biology

E. coli cells grown on 15N medium are transferred to 14N medium and allowed to grow for two more generations (two rounds of DNA replication). DNA extracted from these cells is centrifuged. What density distribution of DNA would you expect in this experiment?

TLS Online TPP Program

#Question id: 3787

#Section 3: Genetics, Cellular and Molecular Biology

A biochemist isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. When she adds some DNA to the mixture, replication occurs, but each DNA molecule consists of a normal strand paired with numerous segments of DNA a few hundred nucleotides long. What has she probably left out of the mixture?