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TLS Online TPP Program

#Question id: 4307

When taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to the operator?

#Unit 3. Fundamental Processes

  1. inducer

  2. promoter

  3. repressor

  4. corepressor

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TLS Online TPP Program

#Question id: 11713

#Unit 9. Diversity of Life Forms

Theoretically, which two of the following present the richest potential sources of silica?

1.  marine sediments consisting of foram tests

2.  marine sediments consisting of diatom cases (valves)

3.  marine sediments consisting of radiolarian shells

4.  marine sediments consisting of dinoflagellate plates
TLS Online TPP Program

#Question id: 32407

#Unit 1. Molecules and their Interaction Relevant to Biology

Deuterated acetyl-coenzyme A (-CD3 instead of –CH3) was used in an experiment to study the TCA cycle. Upon analysis of the metabolites, it was found that deuterium (D) was present in a wide variety of compounds; even compounds not associated with the citric acid cycle. This is due to
TLS Online TPP Program

#Question id: 27947

#Unit 1. Molecules and their Interaction Relevant to Biology

For each molecule of glucose degraded to pyruvate, two molecules of ATP are generated from ADP and Pi, and two molecules of NADH are produced by the reduction of NAD+. The hydrogen acceptor in this reaction is NAD+  this NAD+ bound to a
TLS Online TPP Program

#Question id: 6536

#General Aptitude

Which of the following options is the best choice for the missing number?

0.1, 0.25, 0.3, 0.2, 0.5, 0.6, 0.3, ?, 0.9, 0.4, 1.0, 1.2
TLS Online TPP Program

#Question id: 28384

#Unit 5. Developmental Biology

Location of the involuting marginal zone cells of amphibian gastrulation is called___