Practice Questions

TLS Online TPP Program

#Question id: 4254

Which of the following statements is the most current description of a gene?

#Unit 3. Fundamental Processes

a unit of heredity that causes formation of a phenotypic characteristic
a DNA subunit that codes for a single complete protein
a DNA sequence that is expressed to form a functional product: either RNA or polypeptide
a discrete unit of hereditary information that consists of a sequence of amino acids

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TLS Online TPP Program

#Question id: 19006

#Unit 13. Methods in Biology

Which of the following types of chromatography involves the process, where the mobile phase moves through the stationary phase by the influence of gravity or capillary action?

TLS Online TPP Program

#Question id: 19007

#Unit 13. Methods in Biology

For the separation of which of the following substances, Gas-solid chromatography is being used?

TLS Online TPP Program

#Question id: 19008

#Unit 13. Methods in Biology

which of the following chromatography does not depend upon the nature of sample but only on size only

TLS Online TPP Program

#Question id: 19009

#Unit 13. Methods in Biology

Which of the following is not a feature of carrier gas used in gas chromatography?

TLS Online TPP Program

#Question id: 19010

#Unit 13. Methods in Biology

If a molecule separated on their biological affinity, which chromatography is used

TLS Online TPP Program

#Question id: 19011

#Unit 13. Methods in Biology

Which one of the following methods is the most suitable for amino-acid analysis?