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TLS Online TPP Program

#Question id: 2121

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

#XL - T Zoology

  1. facilitated diffusion of chloride ions across the membrane through a chloride channel

  2. movement of Na+ ions from a lower concentration in a mammalian cell to a higher concentration in the extracellular fluid

  3. movement of glucose molecules into a bacterial cell from a medium containing a higher concentration of glucose than inside the cell

  4. movement of carbon dioxide out of a paramecium

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TLS Online TPP Program

#Question id: 1684

#XL - Q Biochemistry

What are the molecules mediating signal transduction following antigen binding to cell surface immunoglobulin on a B-cell called?
TLS Online TPP Program

#Question id: 5696

#XL - T Zoology

Abnormality during egg formation as a nondisjuction in anaphase I of single set of chromosome, but spermatogenesis is normal will produced resulting progeny would be
TLS Online TPP Program

#Question id: 1626

#XL - S Microbiology

The initial complement component activated by complement-fixing antibodies is:
TLS Online TPP Program

#Question id: 18543

#XL - R Botany

Which of the oil is used in the preparation of paints and varnishes 
TLS Online TPP Program

#Question id: 4194

#XL - T Zoology

After the action of peptidyl transferase, the peptidyl-tRNA is located at the