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TLS Online TPP Program

#Question id: 2120

Which one of the following statements about membranes is true?

#XL - T Zoology

  1. Most plasma membranes contain more than 70% proteins.

  2. Sterol lipids are common in bacterial plasma membranes.

  3. Sterol lipids are common in human cell plasma membranes.

  4. The plasma membranes of all cell types within a particular organism have basically the same lipid and protein composition.

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TLS Online TPP Program

#Question id: 18075

#XL - S Microbiology

At high salt concentrations, the mRNA containing poly(A) tails binds to the complementary oligo(dT) molecules of the affinity column, and so, mRNA will be retained; all other RNA molecules can be washed through the column by further high salt solution. finally, the bound mRNA can be eluted by using
TLS Online TPP Program

#Question id: 19516

#XL - P Chemistry

Which of the following does not belong in the category of electrochemical cells?
TLS Online TPP Program

#Question id: 1100

#XL - Q Biochemistry

Which of the following results would most likely be an immediate result of a growth factor binding to its receptor?
TLS Online TPP Program

#Question id: 10531

#XL - Q Biochemistry

Flippases catalyze translocation of the aminophospholipids:
TLS Online TPP Program

#Question id: 15734

#XL - S Microbiology

In seed germination or seed culture process growth regulators are usually not necessary because, of