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TLS Online TPP Program

#Question id: 547

The role of an enzyme in an enzyme-catalyzed reaction is to:

#SCPH01 Biochemistry

  1. bind a transition state intermediate, such that it cannot be converted back to substrate.

  2. ensure that all of the substrate is converted to product.

  3. ensure that the product is more stable than the substrate.

  4. increase the rate at which substrate is converted into product.

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TLS Online TPP Program

#Question id: 3891

#SCPH28 | Zoology

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?
TLS Online TPP Program

#Question id: 2292

#SCPH05 I Biotechnology

which one is not function of Golgi apparatus,
TLS Online TPP Program

#Question id: 10711

#SCPH06 I Botany

Following table shows the number of individuals of five tree species in a community


Based on the above, the Simpson’s index and Shannon weaver of the community will be respectively?
TLS Online TPP Program

#Question id: 7316

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

Programmed cell death, or apoptosis, is an essential part of animal development. In the nematode, with its invariant cell lineage, particular cell lineages or particular cells within specific lineages are destined to end in programmed cell death, and it was this feature that allowed the identification of the process and the analysis of its genetic control.

Which of the following combination of genes are correct?
TLS Online TPP Program

#Question id: 14893

#SCPH05 I Biotechnology

An open system in which the growth rate is maintained by the removal and addition of media at such a rate as to maintain a constant cell density is called a