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TLS Online TPP Program

#Question id: 3915

Which of the following is true for the unwinding of the DNA helix and the synthesis of a short stretch of RNA?

#Section 3: Genetics, Cellular and Molecular Biology

  1. The process requires a helicase and a primase as in DNA replication.

  2. In transcription, these steps proceed via an RNA polymerase holoenzyme.

  3. The unwinding and subsequent synthesis above serve as a primer for chain elongation.

  4. All of the above

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TLS Online TPP Program

#Question id: 2506

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is not typical of the “cargo” moved by molecular motors?
TLS Online TPP Program

#Question id: 3624

#Section 3: Genetics, Cellular and Molecular Biology

To carry out a complementation test, parents that are homozygous for different mutations are crossed, producing offspring that mutant phenotype, it is due to
TLS Online TPP Program

#Question id: 15461

#Section 6: Plant, Animal and Microbial Biotechnology

When doing experiments with bacteria,
TLS Online TPP Program

#Question id: 14537

#Section 1: Engineering Mathematics

 evaluates to
TLS Online TPP Program

#Question id: 1137

#Section 3: Genetics, Cellular and Molecular Biology

A loss-of-function mutation in PTEN phosphatase results in

a. increased cell proliferation.            

b. decreased cell proliferation.

c. increased apoptosis.                                   

d. decreased apoptosis.