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TLS Online TPP Program

#Question id: 11353


Prior to the availability of a measles vaccine, outbreaks of measles occurred at two-year intervals, why?

#Unit 10. Ecological Principles
  1. Measles outbreaks occurred during hard winters, which happen every other year
  2. Two years were required for accumulation of enough susceptible infants
  3. Immunity to measles wore off in about two years
  4. Two years were required for the measles virus to disperse from tropical sources

Answer:- Option(s): 2


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TLS Online TPP Program

#Question id: 32924

#Unit 2. Cellular Organization

Which of the following enzyme's activity is constant through the cell cycle?

TLS Online TPP Program

#Question id: 32925

#Unit 2. Cellular Organization

Cyclical changes in CDK activity are controlled by a regulator protein, known as:

TLS Online TPP Program

#Question id: 32926

#Unit 2. Cellular Organization

Which one of the following statement is NOT correct regarding the cell-cycle control switch system?

TLS Online TPP Program

#Question id: 32927

#Unit 2. Cellular Organization


Choose the correct  answer from the options given below:

TLS Online TPP Program

#Question id: 33103

#Unit 1. Molecules and their Interaction Relevant to Biology

In the given figure 


TLS Online TPP Program

#Question id: 33104

#Unit 1. Molecules and their Interaction Relevant to Biology

What can be best concluded from the given figure


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