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TLS Online TPP Program

#Question id: 5691

Which of the following most accurately explains the cause for the abnormal numbers of chromosomes during human reproduction that can result in Down syndrome, Turner’s syndrome, or Klinefelter’s syndrome?

#Part-B Specialized Branches in Biotechnology

  1. The occurrence of nondisjunction of homologous chromosomes during meiosis

  2. The duplicative production of extra chromosomes during DNA replication

  3. The abnormal pairing of nonhomologous chromosomes during prophase of meiosis I

  4. The selective loss of particular chromosomes from the sex cells after formation of the mature gamete

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TLS Online TPP Program

#Question id: 711

#Part-B Specialized Branches in Biotechnology

The shortest alpha helix segment in a protein that will span a membrane bilayer has about.
TLS Online TPP Program

#Question id: 11216

#Part-B Specialized Branches in Biotechnology

When two excitatory postsynaptic potentials (EPSPs) occur at a single synapse so rapidly in succession that the postsynaptic neuron's membrane potential has not returned to the resting potential before the second EPSP arrives, the EPSPs add together producing ________.
TLS Online TPP Program

#Question id: 753

#Part-A Aptitude & General Biotechnology

The renaturation of regions of complementarity between different nucleic acid strands is known as___________
TLS Online TPP Program

#Question id: 426

#Part-A Aptitude & General Biotechnology

Which statement is not true about catabolic pathways?
TLS Online TPP Program

#Question id: 5166

#Part-A Aptitude & General Biotechnology

Which of the following is the largest ?