TLS Online TPP Program

#Question id: 5837


Which of the following lead(s) to a point mutation?  

#Applied Microbiology
  1. deamination of a cytosine base into a uracil base

  2. benzo(a)pyrene conversion of guanine to a thymine base

  3. deamination of 5-methyl cytosine into thymine

  4. all of the above

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TLS Online TPP Program

#Question id: 10272

#Botany

Specific place on a chromosome occupied by an allele

TLS Online TPP Program

#Question id: 10333

#Botany

Four elements, oxygen, carbon, and hydrogen and nitrogen are the major components of most organic compounds, which of the following elements are more abundant in plants ?

TLS Online TPP Program

#Question id: 10333

#Plant Biotechnology

Four elements, oxygen, carbon, and hydrogen and nitrogen are the major components of most organic compounds, which of the following elements are more abundant in plants ?

TLS Online TPP Program

#Question id: 10333

#Life Sciences

Four elements, oxygen, carbon, and hydrogen and nitrogen are the major components of most organic compounds, which of the following elements are more abundant in plants ?

TLS Online TPP Program

#Question id: 10334

#Botany

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called

TLS Online TPP Program

#Question id: 10334

#Plant Biotechnology

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called