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TLS Online TPP Program

#Question id: 581

The main difference between chemical and enzyme kinetics is that

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

  1. enzyme reactions are altered by pH.

  2. enzyme reactions depend on the concentration of the substrate.

  3. enzyme reactions depend on the concentration of the enzyme and its recycling.

  4. the rate constant for the formation of products is k2.

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TLS Online TPP Program

#Question id: 18376

#SCPH05 I Biotechnology

Increase in iron content of the plants treated with B. subtilis volatiles is correlated with 
TLS Online TPP Program

#Question id: 1758

#SCPH01 Biochemistry

The specificity of antibody secreted by a B-cell may not be the same as that of the surface Ig of the clonal parent because of:
TLS Online TPP Program

#Question id: 12911

#SCPH06 I Botany

Match the following:
A. DNA polymerases              i. Alkaline phosphatase        a.RNA-dependent DNA polymerase, used in cDNA synthesis
B. Reverse transcriptase        ii. T4 DNA ligase                    b. Thermostable DNA polymerase used in PCR
C. Ligases                                 iii.  AMV-RT                            c. Removes 5′-phosphates from DNA and RNA
D. Phosphatases                     iv. Taq DNA pol                      d. Links 5′-phosphate and 3′-hydroxyl ends via phosphodiester bond
TLS Online TPP Program

#Question id: 84

#SCPH01 Biochemistry

Below is the Fischer projection of D-galactose. Which is the proper Haworth projection of β-D-galactopyranose?
TLS Online TPP Program

#Question id: 2260

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

The term "nuclear envelope" is more correct than the term "nuclear membrane" because