Virendra Singh

In this course Virendra Singh is going to discuss about the most important numerical topics for the DBT-JRF like pH, mole concept, reaction kinetics, Enzyme kinetics, partition coefficient, growth kinetics, restriction mapping and transformation efficiency.

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CSIR-UGC NET

English

Important numerical Topics for DBT- JRF

Structure of Atoms & Molecules

Molecules & Their Interaction

Life Sciences

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Course Overview

Mole can be defined as a unit which represents 6.023 x1023 particles of same matter. A mole (symbol mol) is defined as the amount of substance that contains as many atoms, molecules, ions, electrons or any other elementary entities as there are carbon atoms in exactly 12 gm of .

Mole Concept

Mole Concept - Examples from DBT JRF

The molar ionic strength, I, of a solution is a function of the concentration of all ions present in that solution.For a 1:1 electrolyte such as sodium chloride, where each ion is singly-charged, the ionic strength is equal to the concentration.

Ionic Strength

A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa. ... Buffersolutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications.

PH and Buffer Concept

Chemical kinetics, also known as reaction kinetics, is the study of rates of chemical processes. Chemical kinetics includes investigations of how different experimental conditions can influence the speed of a chemical reaction and yield information about the reaction's mechanism and transition states, as well as the construction of mathematical models that can describe the characteristics of a chemical reaction.

Reaction Kinetics

Bioenergetics is a field in biochemistry and cell biologythat concerns energy flow through living systems.[1]This is an active area of biological research that includes the study of the transformation of energy in living organisms and the study of thousands of different cellular processes such as cellular respirationand the many other metabolic and enzymaticprocesses that lead to production and utilization of energy in forms such as adenosine triphosphate (ATP) molecules.

Bioenergetics

Enzyme activity is a measure of the catalytic ability and there are two methods to measure enzyme activity: one of them is to measure the decrease in substrate concentration in a period of time, and the other is to measure the increase in concentration of a product after a period of time.

Enzyme: Activity and Specific activity

Fold purification refers to the number of times a protein preparation is enriched for the protein being purified. If a protein has a concentration of 1nM before purification and a concentration of 10nM after purification the fold purification is 10 fold. The fold purification is usually calculated by measuring the ratio of specific activity before purification and after purification. The specific activity is the ratio of protein content and protein activity of your protein activity.

Enzyme: Fold purification and Recovery

Enzyme kinetics is the study of the chemical reactions that are catalysed by enzymes. In enzyme kinetics, the reaction rate is measured and the effects of varying the conditions of the reaction are investigated.

Enzyme kinetics

Enzyme kinetics: Numerical Problems

The Beer-Lambert law (or Beer's law) is the linear relationship between absorbance and concentration of an absorbing species. The general Beer-Lambert law is usually written as: A = a( ) * b * c.

Beer Lambert's Law and Partition Coefficient

Deoxyribonucleic acid is a molecule composed of two chains that coil around each other to form a double helix carrying the genetic instructions used in the growth, development, functioning, and reproduction of all known organisms and many viruses

Problems on DNA

Growth kinetics, i.e., the relationship between specific growth rate and the concentration of a substrate, is one of the basic tools in microbiology. ... However, in nature, microbial cells are exposed to a wide spectrum of potential substrates, many of which they utilize simultaneously (in particular carbon sources).

Cell Growth and Kinetics

A restriction map is a map of known restriction sites within a sequence of DNA. Restriction mapping requires the use of restriction enzymes. In molecular biology, restriction maps are used as a reference to engineer plasmids or other relatively short pieces of DNA, and sometimes for longer genomic DNA

Restriction Mapping

Transformation efficiency is the efficiency by which cells can take up extracellular DNA and express genes encoded by it. This is based on the competence of the cells. It can be calculated by dividing the number of successful transformants by the amount of DNA used during a transformation procedure

Transformation Efficiency

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YT-Deepshikha Goswami🌈

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Deepshikha Goswami

In this course educator will be providing you with the answer key of CSIR NET LIFE SCIENCE EXAM. This answer key is of series C and will start from Part B

(Hindi) Answer Key of CSIR NET Life Science June 2019 Exam

Author of Book- Mind Maps for Life Sciences, Qualified CSIR-NET,GATE XL,BT, REET, MPAT Rank 1, Guided  20k+ Students

Neha Taneja

In this course includes all the necessary information about proteins. Proteins are large biological molecules that performs a vast array of functions within organisms. This course will be very beneficial for the all preparing for Life Science exams.

(Hindi) Proteins-Life Sciences: CSIR UGC NET

This Course aided wigh proper diagrams, includes 
significant information about metabolism of important biomolecules including carbohydrates, fats and proteins. Metabolic processes are very crucial within a living organism in order to maintain life.

Overview of Metabolism of Biomolecules : CSIR-UGC NET

In this course, the educator discusses MCQs from the topic Molecular Biology Techniques especially Polymerase Chain Reaction.

(Hindi) Previous Year Molecular Biology Techniques MCQ's: CSIR-UGC NET

M.Sc (Zoology), GATE XL, Ex-Resonanace, Currently working for BYJU's

Manish Kumar

In this course, the educator is discussing 
 the different numerical problems and concepts in biochemistry...

(Hindi) Quick Revision of Biochemistry for CSIR-NET

In this course educator will be discussing about the basic terminologies and concepts of glycolysis, Krebs cycle etc.

Lessons

16 lessons • 2h 21m