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TLS Online TPP Program

#Question id: 11979

A female cat in heat urinates more often and in many places. Male cats congregate near the urine deposits and fight with each other. Which of the following is a proximate cause of this behaviour of increased urination?

#Unit 10. Ecological Principles
  1. It announces to the males that she is in heat.
  2. Female cats that did this in the past attracted more males.
  3. It is a result of hormonal changes associated with her reproductive cycle. 
  4. The female cat learned the behavior from observing other cats.
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TLS Online TPP Program

#Question id: 10934

#Unit 1. Molecules and their Interaction Relevant to Biology

Carboxy terminus is protonated at ………………while amino terminus will be deprotonated at………..
TLS Online TPP Program

#Question id: 5370

#Unit 8. Inheritance Biology

The pedigree below represents the inheritance of an X link recessive trait. The probability of effected child in fourth generation of family?
TLS Online TPP Program

#Question id: 1703

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE about an epitope?
TLS Online TPP Program

#Question id: 15116

#Unit 8. Inheritance Biology

In a rare blood type referred to as the Bombay phenotype, individuals are unable to attach the A or B antigens to their red blood cells. Individuals that are homozygous recessive for gene "H" have the Bombay phenotype and their blood type is type "O" regardless of their ABO genotype. This is an example of what extension of Mendelian inheritance?
TLS Online TPP Program

#Question id: 26367

#Unit 3. Fundamental Processes

Which one of the following protein is regulatory for triggering/transition  G1 to S phase or replication initiation