Practice Questions

TLS Online TPP Program

#Question id: 8703

In a comparison of birds and mammals, having four limbs is ________.

#XL - T Zoology

a shared ancestral character
a shared derived character
a character useful for distinguishing birds from mammals
an example of analogy rather than homology

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TLS Online TPP Program

#Question id: 4150

#XL - T Zoology

Posttranslational glycosylation of proteins is inhibited specifically by:

TLS Online TPP Program

#Question id: 4153

#XL - T Zoology

Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown. One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:

TLS Online TPP Program

#Question id: 4154

#XL - T Zoology

How many possible codons (of normal size) are possible using the bases found in DNA?

TLS Online TPP Program

#Question id: 4155

#XL - T Zoology

Of all the possible triplet codons, __ do not code for an amino acid.

TLS Online TPP Program

#Question id: 4156

#XL - T Zoology

The reading frame of DNA is fixed by