Practice Questions

TLS Online TPP Program

#Question id: 560

Vmax for an enzyme-catalyzed reaction:

#SCPH05 I Biotechnology

generally increases when pH increases.
increases in the presence of a competitive inhibitor.
is limited only by the amount of substrate supplied.
is twice the rate observed when the concentration of substrate is equal to the Km.

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TLS Online TPP Program

#Question id: 13037

#SCPH05 I Biotechnology

Which of the following proteins will be most far away from the positively charged electrode during isoelectric focusing in a buffer with pH of 5?

TLS Online TPP Program

#Question id: 13037

#SCPH06 I Botany

Which of the following proteins will be most far away from the positively charged electrode during isoelectric focusing in a buffer with pH of 5?

TLS Online TPP Program

#Question id: 13037

#SCPH28 | Zoology

Which of the following proteins will be most far away from the positively charged electrode during isoelectric focusing in a buffer with pH of 5?

TLS Online TPP Program

#Question id: 13038

#SCPH01 Biochemistry

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order

i. incubate with antibody-enzyme complex that binds primary antibody

ii. coat surface with antigen, block unoccupied sites with nonspecific protein

iii. add substrate, formation of colored product indicates presence of specific antigen

iv. incubate with primary antibody against specific antigen

TLS Online TPP Program

#Question id: 13038

#SCPH05 I Biotechnology

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order

i. incubate with antibody-enzyme complex that binds primary antibody

ii. coat surface with antigen, block unoccupied sites with nonspecific protein

iii. add substrate, formation of colored product indicates presence of specific antigen

iv. incubate with primary antibody against specific antigen

TLS Online TPP Program

#Question id: 13038

#SCPH06 I Botany

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order

i. incubate with antibody-enzyme complex that binds primary antibody

ii. coat surface with antigen, block unoccupied sites with nonspecific protein

iii. add substrate, formation of colored product indicates presence of specific antigen

iv. incubate with primary antibody against specific antigen