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TLS Online TPP Program

#Question id: 2102

In which of the following environments would there be the greatest need for osmoregulation?

#XL - S Microbiology

  1. an animal connective tissue cell bathed in isotonic body fluid

  2. a salmon moving from a river into an ocean

  3. a red blood cell surrounded by plasma

  4. a plant being grown hydroponically in a watery mixture of designated nutrients

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TLS Online TPP Program

#Question id: 35784

#XL - U Food Technology

Gram-negative bacteria appear pink after Gram staining because:
TLS Online TPP Program

#Question id: 35785

#XL - U Food Technology

Which of the following is the correct order of reagents used in Gram staining?
TLS Online TPP Program

#Question id: 35786

#XL - U Food Technology

Decolorization in Gram staining is done using:
TLS Online TPP Program

#Question id: 35787

#XL - U Food Technology

Which structural feature is absent in Gram-negative bacteria but present in Gram-positive bacteria?
TLS Online TPP Program

#Question id: 35788

#XL - U Food Technology

The main purpose of performing a serial dilution in microbiology is to:
TLS Online TPP Program

#Question id: 35789

#XL - U Food Technology

In serial dilution, a 1 mL sample is added to 9 mL of diluent. What is the dilution factor?