TLS Online TPP Program

#Question id: 24672


Which statement describes the mode of action of the ABCB1 transporter (the first eukaryotic ABC transporter to be recognized)?

#Unit 2. Cellular Organization
  1. During transport, the ligand binding site is alternately exposed to the exoplasmic and the cytoplasmic side of the membrane.
  2. During transport, a conserved aspartate residue is phosphorylated.
  3. This class of pumps transports only H+ ions.
  4. This transporter acts as a chloride channel.
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TLS Online TPP Program

#Question id: 18390

#Unit 12. Applied Biology

Which bacterium is mainly found at quite high ionizing radiation zones or areas?

TLS Online TPP Program

#Question id: 18391

#Unit 12. Applied Biology

Detoxification of organophosphate pesticides in the environment is performed by

TLS Online TPP Program

#Question id: 18392

#Unit 12. Applied Biology

How Deinococcus radiodurans are naturally resistant to quite high levels of ionizing radiation

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?

TLS Online TPP Program

#Question id: 19125

#Unit 12. Applied Biology

Which nature of interaction between the analytes and the biological material used in biosensor?
1. The analytes may be converted into a new chemical molecule (by enzymes)
2. The analytes may simply bind to the biological material present on the biosensor 
3. The analytes may be converted into dimer molecule 
Which of the following above statements are correct?