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TLS Online TPP Program

#Question id: 320

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. increased entropy of the nonpolar molecules when they associate.

  2. decreased enthalpy of the system.

  3. increased entropy of the water molecules.

  4. very strong van der Waals forces among the nonpolar molecules or groups.

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TLS Online TPP Program

#Question id: 18901

#Unit 13. Methods in Biology

Calcium-47 Important aid to biomedical researchers studying the
TLS Online TPP Program

#Question id: 18902

#Unit 13. Methods in Biology

which of the following radioactive element Used to treat cancerous tumours
TLS Online TPP Program

#Question id: 18903

#Unit 13. Methods in Biology

For imaging purpose, a specialized gamma camera is used to detect the radiation throughout the body. Most used techniques in nuclear imaging are 
TLS Online TPP Program

#Question id: 18904

#Unit 13. Methods in Biology

Advantages of using short half-life isotopes
TLS Online TPP Program

#Question id: 19123

#Unit 12. Applied Biology

What is a Biosensor?
1. Device which employs a biological material to specifically interact with an analyte
2. Physical change measured and converted into an electrical signal 
3. Device which separate analytes 
Which of the following above statements are true for biosensor?
TLS Online TPP Program

#Question id: 19124

#Unit 12. Applied Biology

Biosensor is a sensing device. It senses biomolecules by sensing
1. The interaction produces some detectable physical change that is measured and converted into an electrical signal
2. The interaction produces some detectable physical change that is measured and converted into ions.
3. B. The interaction produces some detectable physical change that is measured and converted into enzyme
Which of the following above statements are true for biosensor?