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TLS Online TPP Program

#Question id: 604

An enzyme is irreversibly inhibited by diisopropylfluorophosphate (DFP). What does this show?

#SCPH05 I Biotechnology

  1. The enzyme has been denatured by DFP.

  2. Serine is likely an important residue in the active site.

  3. DFP is an allosteric modulator of the enzyme.

  4. DFP is an analog of the enzymeʹs substrate.

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TLS Online TPP Program

#Question id: 3624

#SCPH12 I Genetics

To carry out a complementation test, parents that are homozygous for different mutations are crossed, producing offspring that mutant phenotype, it is due to
TLS Online TPP Program

#Question id: 15009

#SCPH01 Biochemistry

A mutation in which most of the protein coding sequence of the gene is removed is most likely to be which type of allele?
TLS Online TPP Program

#Question id: 18651

#SCPH06 I Botany

Which of the following factors does not influence electrophoretic mobility?
TLS Online TPP Program

#Question id: 13098

#SCPH01 Biochemistry

You are a scientist who is using genomics to currently study a new bacterial species that no one has ever studied before. The following sequence is a piece of DNA within the coding region of a gene that you have recently sequenced.
 
How many of the 6 potential open reading frames are actually open in this sequence shown above?
TLS Online TPP Program

#Question id: 3643

#SCPH05 I Biotechnology

One DNA strand, the______________, is made continuously in a 5→3 direction from the origin.