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TLS Online TPP Program

#Question id: 5700

During meiosis, homologous chromosomes pair up along their lengths. The most plausible explanation for the karyotype structure shown above is that

#SCPH06 I Botany

  1. portions of non-homologous chromosomes have been translocated

  2. one of the two homologous chromosomes has suffered a deletion

  3. one of the two homologous chromosomes has undergone an inversion

  4. the homologous chromosomes have each suffered a gene duplication

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TLS Online TPP Program

#Question id: 19663

#SCPH05 I Biotechnology

Which of the following statements about the interaction between C2H4 and Cl2 in CCl4 is incorrect?
TLS Online TPP Program

#Question id: 2708

#SCPH05 I Biotechnology

In strong acid and at elevated temperatures, for example perchloric acid (HClO4) at more than 100° C, nucleic acids tend to:
TLS Online TPP Program

#Question id: 754

#I Life Science/ Life Sciences Group – I-V

If the twisting of the DNA is in the same direction as that of the double helix, that is the helix is twisted up before closure, this form of super coiling is known as;
TLS Online TPP Program

#Question id: 1694

#I Life Science/ Life Sciences Group – I-V

Antigen processing for presentation by MHC class II molecules involves:
TLS Online TPP Program

#Question id: 5752

#SCPH06 I Botany

base change that changes a codon for an amino acid to a stop codon