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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TLS Online TPP Program

#Question id: 8895

#XL - T Zoology

What is one characteristic that separates chordates from all other animals?

TLS Online TPP Program

#Question id: 8896

#XL - T Zoology

Chordate pharyngeal slits appear to have functioned first as

TLS Online TPP Program

#Question id: 8897

#XL - T Zoology

Which of the following statements would be least acceptable to most zoologists?

TLS Online TPP Program

#Question id: 8898

#XL - T Zoology

Which extant chordates are postulated to be most like the earliest chordates in appearance?

TLS Online TPP Program

#Question id: 8901

#XL - T Zoology

The origin of the craniates occurred at roughly the same time as the

TLS Online TPP Program

#Question id: 8902

#XL - T Zoology

What do craniates have that earlier chordates did not have?