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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: 4873

#Unit 8. Inheritance Biology

Six bands in a salivary gland chromosome of Drosophila are shown in the following figure, along with the extent of five deletions (Del 1 to Del 5)
TLS Online TPP Program

#Question id: 32317

#Unit 2. Cellular Organization

What type of interaction occurs between the β-propeller domain and the LDL-binding domain at low pH?
TLS Online TPP Program

#Question id: 18833

#Unit 13. Methods in Biology

The PCR procedure, where Taq polymerase is added after the rest of the PCR components are heated to the  DNA melting temperature, so as to avoid non-specific amplification at lower temperatures is
TLS Online TPP Program

#Question id: 14518

#Unit 13. Methods in Biology

From a pack of cards two are drawn, the first being replaced before the second is drawn. The probability that the first is a diamond and the second is a king is
TLS Online TPP Program

#Question id: 5779

#Unit 8. Inheritance Biology

Changing the codon AGC to AGA represents a ____ mutation.