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TLS Online TPP Program

#Question id: 2066

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

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

  1. It exhibits specificity for a particular type of molecule.

  2. It requires the expenditure of cellular energy to function.

  3. It works against diffusion.

  4. It has no hydrophobic regions.

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TLS Online TPP Program

#Question id: 15753

#SCPH05 I Biotechnology

Match the following:

Column I                  Column II

I Alkaloids               P. Digoxigenin

II Terpenoids          Q. Menthol

III Quinones           R. Anthocyanins

IV Steroids            S. Anthraquinones

                              T. Morphine
TLS Online TPP Program

#Question id: 15755

#SCPH05 I Biotechnology

Cybrids or cytoplasmic hybrids are cells or plants containing
TLS Online TPP Program

#Question id: 15756

#SCPH05 I Biotechnology

Synthetic seeds are produced by the encapsulation of somatic embryos with ___________.
TLS Online TPP Program

#Question id: 15757

#SCPH05 I Biotechnology

Which of the following growth hormones produces apical dominance?
TLS Online TPP Program

#Question id: 15758

#SCPH05 I Biotechnology

Adsorbants like activated charcoal or PVP (polyvinylpyrrolidon) may be used as adsorbant to prevent
TLS Online TPP Program

#Question id: 15759

#SCPH05 I Biotechnology

Somatic hybrids exhibit the full somatic complement of one parental species, while all or nearly all chromosomes of the other parental species are lost during the preceding mitotic divisions; such hybrids arc referred to as