TLS Online TPP Program

#Question id: 3791


 In vitro systems used to study replication must include all of the following except:

#XL - Q Biochemistry
  1. a DNA molecule to be replicated.

  2. deoxynucleotide triphosphates.

  3. isolated cellular nuclei.

  4. cellular extracts with the factors and cofactors of replication.

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TLS Online TPP Program

#Question id: 14964

#XL - S Microbiology

The resistance of the tubercle bacillus to various factors is probably due to its

TLS Online TPP Program

#Question id: 14965

#XL - S Microbiology

An exotoxin is a toxin secreted by bacteria. It can cause damage to the host by destroying cells or disrupting normal cellular metabolism. They are highly potent and can cause major damage to the host. Exotoxins may be secreted by bacteria which

TLS Online TPP Program

#Question id: 14966

#XL - S Microbiology

The bacterial cell wall is composed of a macromolecular network called peplidoglycan (also known as murein) which is present either alone or in combination with other substances

TLS Online TPP Program

#Question id: 14967

#XL - S Microbiology

Clinically, the cell wall is important because it contributes to the ability of some species to cause disease and is the site of action of some antibiotics. In addition, the chemical composition of the cell wall is used 

TLS Online TPP Program

#Question id: 14968

#XL - S Microbiology

What compound provide much of the wall's antigenic specificity and thus make it possible to identify gram-positive bacteria by certain laboratory tests

TLS Online TPP Program

#Question id: 14969

#XL - S Microbiology

 A new drug is developed that targets and binds to the lipid A portion of LPS from Gram negative bacterial cells. This drug shows a high degree of activity and binding in a test tube setting against purified lipid A. Based on this information,