TLS Online TPP Program

#Question id: 5247


Which of the following is not a protein or group of proteins required for conjugation to occur?

#SCPH28 | Zoology
  1. The relaxosome.

  2. Pilin protein.

  3. The origin of transfer.

  4. Coupling protein.

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TLS Online TPP Program

#Question id: 5754

#SCPH06 I Botany

A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication.  The mutational event caused by this mutagen will be

TLS Online TPP Program

#Question id: 5754

#SCPH28 | Zoology

A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication.  The mutational event caused by this mutagen will be

TLS Online TPP Program

#Question id: 5755

#SCPH06 I Botany

A researcher studying bacterial toxin predicts that a lysine within the toxin is important for binding it’s target cell.  She used site-directed mutagenesis to change a codon for lysine (AAA) to one for asparagine (AAU).  However, the mutant toxin still binds to its target cell just as well as the wild-type toxin bound and appears to have no other changes. This type of mutation is probably

TLS Online TPP Program

#Question id: 5755

#SCPH28 | Zoology

A researcher studying bacterial toxin predicts that a lysine within the toxin is important for binding it’s target cell.  She used site-directed mutagenesis to change a codon for lysine (AAA) to one for asparagine (AAU).  However, the mutant toxin still binds to its target cell just as well as the wild-type toxin bound and appears to have no other changes. This type of mutation is probably

TLS Online TPP Program

#Question id: 5756

#SCPH06 I Botany

Type of mutation caused by an addition or deletion of a base in a polypeptide-encoding part of a gene

TLS Online TPP Program

#Question id: 5756

#SCPH28 | Zoology

Type of mutation caused by an addition or deletion of a base in a polypeptide-encoding part of a gene