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TLS Online TPP Program

#Question id: 412

All of the following contribute to the large, negative, free-energy change upon hydrolysis of “high-energy” compounds except:

#XL - Q Biochemistry

  1. electrostatic repulsion in the reactant.

  2. low activation energy of forward reaction.

  3. stabilization of products by extra resonance forms.

  4. stabilization of products by ionization.

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TLS Online TPP Program

#Question id: 1676

#XL - Q Biochemistry

NK cells lack receptors with:
TLS Online TPP Program

#Question id: 5741

#XL - S Microbiology

In a mammal 2 Barr bodies are observed.  How many X chromosomes does the organism have?
TLS Online TPP Program

#Question id: 4797

#XL - R Botany

Non allelic genotype aa governing white phenotype with recessive epistatic over non allelic gene B for red phenotype Which of the following cross would produce 25 % white phenotype in their offspring? 
TLS Online TPP Program

#Question id: 2680

#XL - T Zoology

What is alphoid DNA?
TLS Online TPP Program

#Question id: 18002

#XL - R Botany

What is the greatest threat to plant diversity?