TLS Online TPP Program

#Question id: 2112


According to the fluid mosaic model, a membrane:

#XL - S Microbiology
  1. is composed of a fluid bilayer of phospholipids between two layers of hydrophilic proteins

  2. is composed of a single layer of fluid phospholipids between two layers of hydrophilic proteins

  3.  is composed of a mosaic of fluid polysaccharides and amphipathic proteins

  4. is composed of a fluid bilayer of phospholipids with embedded amphipathic proteins

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TLS Online TPP Program

#Question id: 5240

#XL - S Microbiology

If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?

TLS Online TPP Program

#Question id: 5240

#XL - T Zoology

If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?

TLS Online TPP Program

#Question id: 5241

#XL - S Microbiology

Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?

TLS Online TPP Program

#Question id: 5241

#XL - T Zoology

Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?

TLS Online TPP Program

#Question id: 5242

#XL - S Microbiology

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?

TLS Online TPP Program

#Question id: 5242

#XL - T Zoology

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?