CSIR JRF NET Life Sciences Model Question Paper for June 2017 Exam (Set 1/4)
(1). Action of topoisomerase leads to changes in a. Linking number of single-stranded linear DNA b. Lining number of double stranded linear DNA c. Linking […]
(1). Action of topoisomerase leads to changes in a. Linking number of single-stranded linear DNA b. Lining number of double stranded linear DNA c. Linking […]
DBT BET JRF – 2017 Biotechnology JRF Solved Question Paper (PDF) Original / Official Solved Question Paper of DBT BET JRF Examination 2017 with Answer Key (Department […]
Different Types of DNA Conformations DNA, the genetic information carrier molecule of the cell, is a long polymer of nucleotides and can adopt different types […]
Stelar Evolution in Pteridophytes What is stele? What are the components of stele? Ø Stele is the central cylinder or core of vascular tissue in […]
Parasitic Adaptations What is meant by Adaptation? Adaptation definition: ‘Any feature of an organism or its part which enables it to exist under conditions of […]
Based on the position of ovary there are three types of flowers- (1) Hypogynous, (2) Perigynous, and (3) Epigynous. (1). Hypogynous Flower: The most primitive […]
Advantages and Disadvantages of Cell Culture: Tissue culture is an aseptic in vitro culture of animal or plant cells in a precisely controlled environmental condition. […]
Restriction Endonucleases Restriction endonucleases (also called as molecular scissors) are a class of nuclease enzymes which cut the DNA strand at precise locations. They are […]
ssDNA vs dsDNA The DNA molecules are not always double stranded helical structures, sometimes they occur in single stranded form called ssDNA. In 1959 Robert […]