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#Question id: 15483


A novel technique for strain improvement combining the advantage of multi-parental crossing allowed by DNA shuffling with the recombination of entire genomes.

#Unit 12. Applied Biology
  1. Gene knockout
  2. Mutation and screening
  3. Whole-genome shuffling 
  4. All
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TLS Online TPP Program

#Question id: 11493

#Unit 2. Cellular Organization

Which of the following membrane protein form channel, in the form of gap junctions between cells?

TLS Online TPP Program

#Question id: 2615

#Unit 2. Cellular Organization

What are the effects shown in trp operon if we fused regulatory region of lac with structural genes of trp; which one is incorrect,

TLS Online TPP Program

#Question id: 12261

#Unit 10. Ecological Principles

When a person removed the predator Pisaster from rocky intertidal areas, the diversity of prey animals changed from 15 to __________. 

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#Question id: 10672

#Unit 10. Ecological Principles

Which of the following is incorrect match of protective strategy done by organism?

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#Question id: 891

#Unit 1. Molecules and their Interaction Relevant to Biology

The folding pathways of some proteins require two enzymes that catalyze isomerization reactions such as,

a) Peptide prolyl isomerase (PPI)  catalyzes the elimination of folding intermediates with inappropriate disulfide cross-links

b) Protein disulfide isomerase (PDI) enzyme that catalyzes the interchange, or shuffling, of disulfide bonds until the bonds of the native conformation are formed

c) Peptide prolyl cis-trans isomerase (PPI) catalyzes the interconversion of the cis and trans isomers of Proline residue peptide bonds

d) Peptide prolyl isomerase (PPI) can be a fast step in the folding of proteins that contain some Pro peptide bonds in the cis conformation

Which of the following combinations is correct about protein folding pathways?