Biotechnology MCQ 01
Introduction to Biotechnology MCQ (1). DNA base pairs in the Human Genome are about: a. 2 X 107 b. 3 X 109 c. 4 X 108 d. 7 X 107 (2). Which of the following is a dual resistance vector? a. M13 b. pUC 18 c. pUC 19 d. pBR […]
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Hydrosere (Hydrarch Succession) with PPT
What is Hydrosere or Hydrarch Succession? A succession originates in a water body (aquatic environment) is called Hydrosere or Hydrarch Succession. Such a succession does not necessarily lead to the development of a land community. If the water body is sufficiently large and with wave action, the succession usually results […]
Types of Ecological Succession
In the previous post, we have discussed the Process of Ecological Succession. Here we will discuss the classification of different types of ecological successions. The ecological succession is classified into different types based on different criterions such as the origin of succession, cause, community composition and nature of substratum. An […]
Stages of Ecological Succession (with PPT)
What is Ecological Succession? Definition: Ecological succession is the gradual and sequential replacement of one community by the other in an area over a period of time. According to E.P. Odum (1971), the ecological succession is an orderly process of community change in a unit area. It is the process […]
Tumor Suppressor Gene Rb and its Role in Cell Cycle and Cancer
What is Retinoblastoma? Retinoblastoma or RB is a type of cancer affecting the retina of young individuals. RB occurs in the human population both spontaneously and as a heritable disorder. The genetic reason for the occurrence of RB is associated with a structural aberration of the chromosome. In human, the […]