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TLS Online TPP Program

#Question id: 8716

The most important feature that permits a gene to act as a molecular clock is ________.

#XL - S Microbiology
  1. a large number of base pairs
  2. being acted upon by natural selection
  3. a reliable average rate of mutation
  4. a recent origin by a gene-duplication event
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TLS Online TPP Program

#Question id: 17804

#XL - R Botany

Which of the following is a secondary compound of embryophytes? 
TLS Online TPP Program

#Question id: 3478

#XL - T Zoology

Natural selection may favour the evolution of foraging behaviours by predator that
TLS Online TPP Program

#Question id: 11316

#XL - T Zoology

Primary production generally determines the sizes of higher trophic levels. This observation provides support for __________ control of community structure.
TLS Online TPP Program

#Question id: 10356

#XL - Q Biochemistry

Why the GS  and GOGAT is activated in light and while the AS is inhibited?
TLS Online TPP Program

#Question id: 2044

#XL - S Microbiology

Antibodies specific for different epitopes on the same antigen: