Practice Questions

TLS Online TPP Program

#Question id: 683

Which factor does not help to explain why many proteins exhibit quaternary structure?

#XL - Q Biochemistry

Oligomers are usually more stable than the free monomers.
Active sites can be formed when the protein chains associate.
The subunits always are able to maintain the same three-dimensional structure whether they are associated into an oligomer or not.
Increased efficiency by the sharing of the same subunit with the same function among different proteins.

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#Question id: 19758

#XL - P Chemistry

Which of the following pair of species is isoelectronic and same structure ?

TLS Online TPP Program

#Question id: 10532

#XL - Q Biochemistry

A closed, self-sealing solvent-filled vesicles that are bounded by only a single bilayer, known as:

TLS Online TPP Program

#Question id: 20147

#XL - P Chemistry

The electrons present in K-shell of the atom will differ in

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#Question id: 8892

#XL - R Botany

Which of the following correctly characterizes the phylum Rotifera?

TLS Online TPP Program

#Question id: 19502

#XL - P Chemistry

According to Aufbau principle a new electron enters the orbitals when: