Practice Questions

TLS Online TPP Program

#Question id: 407

The reaction A + B -> C has a DG'° of –20 kJ/mol at 25° C. Starting under standard conditions, one can predict that:

#XL - Q Biochemistry

at equilibrium, the concentration of B will exceed the concentration of A.
at equilibrium, the concentration of C will be less than the concentration of A.
at equilibrium, the concentration of C will be much greater than the concentration of A or B.
C will rapidly break down to A + B.

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TLS Online TPP Program

#Question id: 5761

#XL - S Microbiology

E. coli cells were spread on an agar plate, producing 1000 colonies. The colonies are replica plated on two agar plates containing the antibiotic kanamycin and one agar plate without antibiotics. All of the colonies are able to grow on the agar plate without antibiotic but only 4 colonies are able to grow on each of the agar plates containing kanamycin. You notice that the four colonies that grew on each of the kanamycin containing plates are in the exact same position. This demonstrates

TLS Online TPP Program

#Question id: 5844

#XL - T Zoology

In homologous genetic recombination, RecA protein is involved in:

TLS Online TPP Program

#Question id: 2121

#XL - S Microbiology

Which of the following membrane activities requires energy from ATP hydrolysis?

TLS Online TPP Program

#Question id: 9612

#XL - R Botany

The best classification system is that which most closely