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TLS Online TPP Program

#Question id: 28457

In which case of vulva formation in C.elegan, precursor cell has the ability to become hypodermis ?

#Unit 5. Developmental Biology
  1.  when these precursor cell do not receive enough Lin-12
  2. when these precursor cell do not receive enough LIN-3 
  3. when these precursor cell receives highest concentration of LIN-3 
  4. two adjacent VPCs receive lower amounts of LIN-3
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TLS Online TPP Program

#Question id: 4925

#Unit 8. Inheritance Biology

The pedigree in Figure shows the transmission of a trait in a particular family. Based on this pattern of transmission, the trait is most likely
TLS Online TPP Program

#Question id: 29047

#Unit 10. Ecological Principles

Homeotherms regulate body temperature by__
a) remain body temp constant
b) Equal the ratio of heat in and heat out
c) Heat in involve convection and conduction 
d) Heat out involve metabolism and solar radiation
TLS Online TPP Program

#Question id: 4569

#Unit 11. Evolution and Behavior

Which of the following must exist in a population before natural selection can act upon that population?
TLS Online TPP Program

#Question id: 5038

#Unit 5. Developmental Biology

The folding of sheets of cells, the migration of cells, and cell death are all mechanisms of
TLS Online TPP Program

#Question id: 43

#Unit 1. Molecules and their Interaction Relevant to Biology

If 10 g of ice at 0°C is converted to water at the same temperature, the change in entropy will be- (latent heat 80 cal/g