Sagar Aryal, PhD 
A stimulus is any detectable change in the physical or chemical structure of an organism’s internal and external environment, leading to a change in environmental or physiological factors. These factors … Read more
Though, the genes of nuclear chromosomes have a significant and key role in the inheritance of almost all traits from generations to generations, they altogether cannot be considered as the … Read more
Causes and Mechanisms of Mutation Agents of Mutations Radiation and Radioactive Decays Temperature Chemical Agents Biological agents Significance of Mutations References
The mutation is a process that produces a gene or chromosome that differs from the wild type (arbitrary standard for what “normal” is for an organism). The mutation may result … Read more
“Brain lipid extracts” refers to a lipid mixture extracted from the brain tissue of animals. It has been found that such brain lipid extracts contain a mixture of long chain … Read more
The chloroplast is an important organelle found in plant cells that conduct photosynthesis. It is enclosed by a pair of closely spaced membranes, the double-membrane envelope, consisting of the inner … Read more
Deoxyribonucleic acid (DNA) extraction is the process by which DNA is separated from proteins, membranes, and other cellular material contained in the cell from which it is recovered. The simplest … Read more
This method is modified by Anderson and Parker. Prepare serial tenfold dilutions in peptone water of food. Aseptically transfer sterile cellulose acetate membranes to the surface or dried glutamate agar. … Read more
Here are some of the differences between Mitosis and Meiosis S.N. Character Mitosis Meiosis 1. Alternate Name Equational Division Reduction Division 2. Discovered by Walther Flemming Oscar Hertwig 3. … Read more
Mendel’s Experiment Mendel carried out breeding experiments in his monastery’s garden to test inheritance patterns. He selectively cross-bred common pea plants (Pisum sativum) with selected traits over several generations. After crossing … Read more
