TLS Online TPP Program

#Question id: 567


Penicillin and related drugs inhibit the enzyme; this enzyme is produced by 

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. B-lacamase; bacteria

  2. transpeptidase; human cells

  3. transpeptidase; bacteria

  4. lysozyme; human cells

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TLS Online TPP Program

#Question id: 18951

#Unit 13. Methods in Biology

Principle of separation in Stacking gel………A……… and Resolving gel is ……B……

TLS Online TPP Program

#Question id: 1263

#Unit 4. Cell Communication and Cell Signaling

The major classes of CAMs include

a. cadherins.    b. fibronectin.    c. Ig-superfamily CAMs.      d. P-selectins.

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: 10615

#Unit 10. Ecological Principles

The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?

TLS Online TPP Program

#Question id: 5820

#Unit 8. Inheritance Biology

A new chemical pesticide developed for agricultural use was subjected to the Ames test. The rate of mutation seen in samples treated with the pesticide and liver extract was approximately half that of the samples treated with the liver extract alone; in samples treated with only pesticide, the mutation rate was about the same as that of untreated samples. Which of the following statements could you make about this pesticide?