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TLS Online TPP Program

#Question id: 8935

What may have occurred to prevent species that are of the same grade from also belonging to the same clade?

#XL - T Zoology
  1. similar structures arising independently in different lineages
  2. convergent evolution among different lineages
  3. adaptation by different lineages to the same selective pressures
  4. A, B, and C
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TLS Online TPP Program

#Question id: 3882

#XL - Q Biochemistry

The reverse transcriptase of an animal RNA virus catalyzes:
TLS Online TPP Program

#Question id: 3883

#XL - Q Biochemistry

Which of the following is correct about reverse transcriptase:
TLS Online TPP Program

#Question id: 3884

#XL - Q Biochemistry

Compared with DNA polymerase, reverse transcriptase: 
TLS Online TPP Program

#Question id: 3886

#XL - Q Biochemistry

Which one of the following statements about the reverse transcriptases of retroviruses and the RNA replicases of other single-stranded RNA viruses, such as R17 and influenza virus, is correct?
TLS Online TPP Program

#Question id: 3887

#XL - Q Biochemistry

Aptamers are
TLS Online TPP Program

#Question id: 3888

#XL - Q Biochemistry

Which of these polymerases does not require a template?