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TLS Online TPP Program

#Question id: 1958

Both the eye and the respiratory tract are protected against infections by which of the following?

#Unit 4. Cell Communication and Cell Signaling

  1. the mucous membranes that cover their surface

  2. the secretion of complement proteins

  3. the release of slightly acidic secretions

  4. the secretion of lysozyme onto their surface

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TLS Online TPP Program

#Question id: 23659

#Unit 13. Methods in Biology

Which is true about the frequency of occurrence of a desired clone from a genomic DNA library?
TLS Online TPP Program

#Question id: 23660

#Unit 13. Methods in Biology

In a cDNA library the probability of finding the desired clone depends on ________.
TLS Online TPP Program

#Question id: 23661

#Unit 13. Methods in Biology

Which is(are) appropriate for use as a labeled probe(s) to screen a DNA library?
TLS Online TPP Program

#Question id: 23662

#Unit 13. Methods in Biology

Under normal conditions, about what minimum range of sequence similarity is desired to obtain hybridization between a cDNA probe and the desired gene in a library?
TLS Online TPP Program

#Question id: 23663

#Unit 13. Methods in Biology

What is the frequency of occurrence of a desired clone from a YAC library of genomic DNA if the insert size is 400 kbp and the genome contains 2 × 106 kbp?
TLS Online TPP Program

#Question id: 23664

#Unit 13. Methods in Biology

________ is a technique used to link  noncontiguous recombinants from the same gene or to identify genes whose sequence and gene product are unknown other than by the effects of mutation.