Practice Questions

TLS Online TPP Program

#Question id: 8717

Molecular clocks are more reliable when ________.

#XL - S Microbiology

the surrounding pH is close to 7.0
most mutations of highly conserved DNA sequences should have no functional effect
the DNA codes for amino acid sequences whose side groups (or R groups) have a neutral pH
a significant proportion of mutations are not acted upon by natural selection

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TLS Online TPP Program

#Question id: 10172

#XL - R Botany

leaves continuously adjust the orientation of their laminae such that they remain perpendicular to the sun’s ray and maximize light absorption by

TLS Online TPP Program

#Question id: 191

#XL - T Zoology

The role of zinc in the mechanisms of carbonic anhydrase is to

TLS Online TPP Program

#Question id: 3932

#XL - Q Biochemistry

Which is not a feature of eukaryotic mRNA processing?

TLS Online TPP Program

#Question id: 1568

#XL - S Microbiology

which one of these is not a characteristics of B-cell?

TLS Online TPP Program

#Question id: 119

#XL - Q Biochemistry

Tay-Sachs disease is the result of a genetic defect in the metabolism of: