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TLS Online TPP Program

#Question id: 3795

The exonuclease activity of the DNA polymerases functions to:

#Section 3: Genetics, Cellular and Molecular Biology

  1. remove the RNA primer sequences.

  2. proofread the new DNA strand and remove inappropriate nucleotides.

  3. maximize the fidelity of DNA replication.

  4. all of the above

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TLS Online TPP Program

#Question id: 14562

#Section 2: General Biology

Which of the following stains is/are considered differential?
TLS Online TPP Program

#Question id: 14563

#Section 2: General Biology

During which phase of the bacterial growth curve does the total number of viable cells decline?
TLS Online TPP Program

#Question id: 14564

#Section 2: General Biology

The lag phase of the bacterial growth curve is marked by
TLS Online TPP Program

#Question id: 14565

#Section 2: General Biology

The Gram stain and the endospore stain both use
TLS Online TPP Program

#Question id: 14566

#Section 2: General Biology

A pure culture in exponential growth phase has a bacterial concentration of 6.4 x 108 cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell
concentration 8.0 x 107 cells/ml?
TLS Online TPP Program

#Question id: 14567

#Section 2: General Biology

In a rapidly multiplying bacterial population, cell numbers increase