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TLS Online TPP Program

#Question id: 4621

DNA sequences in many human genes are very similar to the sequences of corresponding genes in chimpanzees. The most likely explanation for this result is that

#XL - S Microbiology

  1. humans and chimpanzees share a relatively recent common ancestor.

  2. humans evolved from chimpanzees.

  3. chimpanzees evolved from humans.

  4. convergent evolution led to the DNA similarities.

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TLS Online TPP Program

#Question id: 18231

#XL - S Microbiology

A DNA sample having mass 1 picogram undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required
TLS Online TPP Program

#Question id: 11637

#XL - S Microbiology

Which of these statements about dinoflagellates is false?
TLS Online TPP Program

#Question id: 12584

#XL - T Zoology

Which of the following causes excessively high levels of toxic chemicals in fish-eating birds? 
TLS Online TPP Program

#Question id: 8914

#XL - S Microbiology

Which of the following is (are) unique to animals?
TLS Online TPP Program

#Question id: 577

#XL - Q Biochemistry

Most of the known enzymes are ________.