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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

#Unit 10. Ecological Principles
  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: 5358

#Unit 8. Inheritance Biology

In the following pedigree, individuals with shaded show presence of a recessive autosomal trait. If all individual is coming from outside the family is homozygous for normal. The calculated risk of occurrence of this trait for (?) individual is 
TLS Online TPP Program

#Question id: 23110

#Unit 2. Cellular Organization

Individual nucleosomes can be obtained by treating chromatin with the endonuclease micrococcal nuclease (MNase), which cuts the DNA between nucleosomes, a region known as 
TLS Online TPP Program

#Question id: 2751

#Unit 2. Cellular Organization

Adenovirus is a useful model of studying gene expression because __________
TLS Online TPP Program

#Question id: 289

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements describes a covalent bond between Carbon and Hydrogen:
TLS Online TPP Program

#Question id: 12801

#Unit 10. Ecological Principles

Which type of biome would most likely occur in a climate with mild, rainy winters and hot, dry summers?