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TLS Online TPP Program

#Question id: 11403

Several categories of risk of species extinction have been defined. A species can be determined as critical endangered if there is considered to be

#XL - T Zoology
  1. 10% probability of extinction within 100 years
  2. If the probability of extinction is 20% within 20 years or 10 generations
  3. If within 10 years or three generations the risk of extinction is at least 50 %
  4. If the probability is 50% of extinction within 50 generation or 100 years 
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TLS Online TPP Program

#Question id: 424

#XL - Q Biochemistry

Phosphorylation at the expense of ATP is catalyzed by ________.
TLS Online TPP Program

#Question id: 27232

#XL - T Zoology

Name the pyrimidine base which is found in RNA but not in DNA?
TLS Online TPP Program

#Question id: 5245

#XL - T Zoology

Which method of gene transfer involves direct contact between the bacteria?
TLS Online TPP Program

#Question id: 1117

#XL - Q Biochemistry

At puberty, an adolescent female body changes in both structure and function of several organ systems, primarily under the influence of changing concentrations of estrogen and other steroid hormones. How can one hormone, such as estrogen, mediate so many effects?
TLS Online TPP Program

#Question id: 18002

#XL - S Microbiology

What is the greatest threat to plant diversity?