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TLS Online TPP Program

#Question id: 3985

The binding of CRP (cAMP receptor protein of E. coli) to DNA in the lac operon:

#Unit 3. Fundamental Processes

  1. assists RNA polymerase binding to the lac promoter.

  2. is inhibited by a high level of cAMP.

  3. occurs in the lac repressor region.

  4. occurs only when glucose is present in the growth medium.

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TLS Online TPP Program

#Question id: 5322

#Unit 11. Evolution and Behavior

A current view of how the human and chimpanzee can share most of their nucleotide sequences yet exhibit significant phenotypic differences is that many of the most important sequence differences alter ________.
TLS Online TPP Program

#Question id: 27926

#Unit 11. Evolution and Behavior

Which of the following process is responsible  for causing duplication?
a) Replication slippage
b) retrotransposition
c) Mutation
d) exon shuffling
e) Intron shuffling
f) Polyploidy
TLS Online TPP Program

#Question id: 27927

#Unit 11. Evolution and Behavior

A functioning duplicate that becomes fixed in a population can meet one of several ultimate fates, except__
TLS Online TPP Program

#Question id: 27928

#Unit 11. Evolution and Behavior

Two or more genes that originated by duplication are said to be____
TLS Online TPP Program

#Question id: 27929

#Unit 11. Evolution and Behavior

Which of the following phenomenon could be used to directly examine genetic variation?
a) RPLC
b) RFLP
c) DNA sequencing
d) NPLC
TLS Online TPP Program

#Question id: 27930

#Unit 11. Evolution and Behavior

Positive selection  are represented as__