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TLS Online TPP Program

#Question id: 1122

In endocrine signaling, the signaling molecule.

#XL - Q Biochemistry

  1. acts on target cells distant from the site of synthesis.

  2. acts on target cells that are in close proximity to the secreting cell.

  3. acts on the same cells that released the signaling molecule.

  4. acts on cells that are physically in contact with the secreting cell.

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TLS Online TPP Program

#Question id: 15677

#XL - S Microbiology

Ultraviolet (UV) radiation around 260 nm is quite lethal but does not penetrate
1. glass 
2. dirt films 
3. Water
March the correct answer
TLS Online TPP Program

#Question id: 15678

#XL - S Microbiology

Alcohols are among the most widely used disinfectants and antiseptics. They act by 
TLS Online TPP Program

#Question id: 15679

#XL - S Microbiology

Dry heat sterilization the items to be sterilized are placed in an oven at 
TLS Online TPP Program

#Question id: 15680

#XL - S Microbiology

A common environmental organism that may even grow in certain chemical disinfectants is
TLS Online TPP Program

#Question id: 15681

#XL - S Microbiology

 Moist heat kills microorganisms by
TLS Online TPP Program

#Question id: 15682

#XL - S Microbiology

Boiling is not reliable for sterilization because