Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 53512
TLS Online TPP Program

#Question id: 28449

In C. elegans during embryogenesis, an anchor cell and 6 hypodermal vulval precursor cells (VPCs) get involved in forming the vulva. Which of the following statement is incorrect about  VPCs?

#Unit 5. Developmental Biology
  1. Only three VPCs influenced by the anchor cell form an equivalence group
  2. Three, out of six, hypodermal cells participate in vulva formation
  3.  six VPCs influenced by the anchor cell form an equivalence group
  4. Each member of equivalence group is competent to become induced by the anchor cell
More Questions
TLS Online TPP Program

#Question id: 23627

#Unit 13. Methods in Biology

The human genome contains about ________ bp of DNA.
TLS Online TPP Program

#Question id: 23628

#Unit 13. Methods in Biology

Which of the following is true concerning genomic libraries?
TLS Online TPP Program

#Question id: 23629

#Unit 13. Methods in Biology

Mechanical shearing is often the preferred method of fragmenting genomic DNA when constructing a genomic DNA library. Why would this method be preferred over complete digestion with restriction enzymes?
TLS Online TPP Program

#Question id: 23630

#Unit 13. Methods in Biology

The construction of a cDNA library is completed by
TLS Online TPP Program

#Question id: 23631

#Unit 13. Methods in Biology

cDNA libraries from liver cells are different than cDNA libraries from kidney cells because
TLS Online TPP Program

#Question id: 23632

#Unit 13. Methods in Biology

Which formula may be implemented to determine the probability (P) that a library of a given size contains a particular clone? (N is the number of recombinant clones in the library; n is the frequency of occurrence of a desired clone)