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TLS Online TPP Program

#Question id: 23679

Which is not an important feature of site-directed mutagenesis of cloned DNA?

#Unit 13. Methods in Biology
  1. It can be used to introduce point mutations.
  2. It is faster than the complete in vitro synthesis of mutant genes.
  3. It can be used to exponentially amplify the amount of DNA in a sample.
  4. It allows for easy screening of transformants by using labeled oligonucleotides.
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TLS Online TPP Program

#Question id: 4668

#Unit 3. Fundamental Processes

During an initiation of transcription of DNA, the polymerase II has
TLS Online TPP Program

#Question id: 4669

#Unit 3. Fundamental Processes

Instead of a TATA box, some eukaryotic genes contain an alternative promoter element called an initiator. Most naturally occurring initiator elements have
TLS Online TPP Program

#Question id: 4671

#Unit 3. Fundamental Processes

CpG island promoters are methylated at position 5 of the pyrimidine ring. CG sequences are thought to be underrepresented in mammalian genomes because
TLS Online TPP Program

#Question id: 4672

#Unit 3. Fundamental Processes

Lytic growth proceeds when
TLS Online TPP Program

#Question id: 4673

#Unit 3. Fundamental Processes

Lysogenic growth proceeds when
TLS Online TPP Program

#Question id: 4674

#Unit 3. Fundamental Processes

λ-repressor encoded by