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TLS Online TPP Program

#Question id: 23702

The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that

#Unit 13. Methods in Biology
  1. plasmids are unable to replicate in cells.
  2. only one copy of a plasmid can be present in any given cell, whereas many copies of a YAC or BAC can coexist in a single cell.
  3. YACs and BACs can carry much larger DNA fragments than ordinary plasmids can.
  4. YACs and BACs can be used to express proteins encoded by inserted genes, but plasmids cannot.
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TLS Online TPP Program

#Question id: 1814

#Unit 4. Cell Communication and Cell Signaling

In Sir Peter Medawar's classic experiments demonstrating the development of immunological tolerance:
TLS Online TPP Program

#Question id: 1282

#Unit 4. Cell Communication and Cell Signaling

Basal lamina include all of the following, except:
TLS Online TPP Program

#Question id: 3437

#Unit 11. Evolution and Behavior

Learning in which an associated stimulus may be used to elicit the same behavioral response as the original sign stimulus is called
TLS Online TPP Program

#Question id: 5949

#General Aptitude

What is the maximum sum of the number of Saturdays and Sunday is a leap year 
TLS Online TPP Program

#Question id: 112

#Unit 1. Molecules and their Interaction Relevant to Biology

The major groups of lipids can be separated by silicic acid column chromatography by eluting with