Practice Questions

TLS Online TPP Program

#Question id: 2119

A sodium-potassium pump:

#XL - T Zoology

moves three potassium ions out of a cell and two sodium ions into a cell while producing ATP for each cycle
moves three sodium ions out of a cell and two potassium ions into a cell using energy from ATP hydrolysis
moves three potassium ions out of a cell and two sodium ions into a cell using energy from ATP hydrolysis
move three sodium ions out of a cell and two potassium ions into a cell and generates an ATP in each cycle

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TLS Online TPP Program

#Question id: 20177

#XL - P Chemistry

What will be de-Broglie wavelength of an electron moving with a velocity of 1·20 × 10⁵ms^–1 ?

TLS Online TPP Program

#Question id: 27355

#XL - T Zoology

How does the guide RNA help the cell know where to cut the DNA?

TLS Online TPP Program

#Question id: 3672

#XL - S Microbiology

During initiation of replication

TLS Online TPP Program

#Question id: 16496

#XL - R Botany

Neomycin phosphotransferase gene is used as a selectable marker. It provides resistence against which antibiotic ?

TLS Online TPP Program

#Question id: 5739

#XL - T Zoology

Polyploid plants found in nature usually have even numbers of chromosomes because organisms having odd numbers