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TLS Online TPP Program

#Question id: 7158

If the nerve supply to a newt limb is severed before amputation, how will this affect regeneration?

#Unit 5. Developmental Biology
  1. It will have no effect, since regeneration involves growth of new muscle, bone, and connective tissue.
  2. Regeneration of most tissues will occur normally, but regeneration of the nerves will not occur.
  3. Outgrowth will occur, but the identity of the limb will be lost and normal proximo-distal patterning will not occur.
  4. A blastema will form but will not grow, and regeneration will fail.
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TLS Online TPP Program

#Question id: 15772

#Unit 5. Developmental Biology

A stem cell capable of producing all the cell types of a lineage is said to be
TLS Online TPP Program

#Question id: 2686

#Unit 2. Cellular Organization

 Enzyme which can break and seal the DNA strand
TLS Online TPP Program

#Question id: 24612

#Unit 2. Cellular Organization

Pseudogenes generated by which of the following enzyme
TLS Online TPP Program

#Question id: 19686

#Unit 13. Methods in Biology

Where is atrial repolarization hidden in the ECG?
TLS Online TPP Program

#Question id: 4340

#Unit 3. Fundamental Processes

There is a mutation that is found in E. coli in the repressor that results in a molecule known as a super-repressor because it represses the lac operon permanently. Which of the following characteristics would you expect to observe in such a mutant?