TLS Online TPP Program

#Question id: 3861


_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.

#Section 3: Genetics, Cellular and Molecular Biology
  1. exons; introns  

  2. guide RNAs; exons  

  3. introns; exons

  4. introns; guide RNAs

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TLS Online TPP Program

#Question id: 14168

#Section 4: Fundamentals of Biological Engineering

Corn-steep liquor contains 2.5 % invert sugars and 50% water; the rest can be considered solids. Beet molasses containing 50% sucrose, 1% invert sugars, 18% water and the remainder solids, is mixed with corn-steep liquor in a mixing tank. Water is added to produce a diluted sugar mixture containing 2% (w/w) invert sugars. 125 kg corn-steep liquor and 45 kg molasses are fed into the tank.

What is the concentration of solids in the final mixture?

TLS Online TPP Program

#Question id: 12731

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Choose the correct codon for phenylalanine.

TLS Online TPP Program

#Question id: 3637

#Section 3: Genetics, Cellular and Molecular Biology

Parents that are homozygous for different mutations a, b and c are crossed, producing offspring that are heterozygous as following

aa X bb        =  ab  (X)          

 bb X cc         =  bc  (Y)

aa X cc          =   ac  (Z)

If a and b belong to same locus but b and c belong to different locus then phenotype of heterozygote

TLS Online TPP Program

#Question id: 3784

#Section 3: Genetics, Cellular and Molecular Biology

In analyzing the number of different bases in a DNA sample, which result would be consistent with the base-pairing rules?

TLS Online TPP Program

#Question id: 16575

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In the phenomenon of hyperchromic effect  DNA becomes denatures at, when it absorbs wave lengths of   ______