Alkaloids are usually synthesized from one of a few common amino acids such as___

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#Question id: 4331

#SCPH06 I Botany

In eukaryotic cells, transcription cannot begin until

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#Question id: 10711

#SCPH28 | Zoology

Following table shows the number of individuals of five tree species in a community

Based on the above, the Simpson’s index and Shannon weaver of the community will be respectively?

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#Question id: 14138

#SCPH01 Biochemistry

BLAST uses heuristics to align a query sequence with all sequences in a database. 

Reason(R): BLASTX uses protein sequences as queries to search against a protein sequence database.

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#Question id: 12917

#SCPH01 Biochemistry

Arrange the steps of stages in PCR in correct order.

1. The region to be specifically amplified is made accessible within the complex DNA.

2. The double stranded DNA is denatured by heating the reaction mixture to above 90 degree Celsius.

3. A thermal cycler is used to incrementally decrease the annealing temperature.

4. Reaction mixture is then cooled to a temperature between 40 and 60 degree celsius.

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#Question id: 23246

#SCPH01 Biochemistry

Which element in the Sanger sequencing actually terminates the chain elongation?