Ranga.nr
Author Archives: Ranga.nr
This site caters to the needs of students. Being an assistant professor, the material is designed with the student in mind. You can add us on Twitter @studyread
Capillaries Structure and Types | A Definitive Guide
The circulatory system is one of the most important organ systems of our body. It is essential for the transport of gases, nutrients, hormones, etc. within the body. It also important in the transportation of blood and lymph and regulation of body temperature. The circulatory system consists of a) Heart b) blood vessels. The blood […]
Read More12 Differences between spermatogenesis and oogenesis
As we have discussed the process of Spermatogenesis and Oogenesis in another article. Let us see here the differences between spermatogenesis and oogenesis. Based on the core facts like the of millions of sperms, single ova once a month phenomenon we have following differences. Differences between spermatogenesis and oogenesis Sl.No Feature Spermatogenesis Oogenesis 1 Occurs […]
Read MoreSpermatogenesis and Oogenesis | Key Processes and Stages Involved
A male gamete (sperm) fuses with a female gamete (ovum or egg) to produce a zygote that develops into an individual. But humans are diploid while gametes are haploid. So the cells undergo meiosis to produce haploid gametes. This process is called gametogenesis. In men, it occurs as spermatogenesis and in women, it occurs as […]
Read More15 Differences between antigen and antibody
Antigen is a immunogenic portion present on the foreign cell or substance. To combat that antigen or foreign cell, our body’s immune system produces antibodies. Differences between antigen and antibody Sl.No Properties Antigen Antibody 1 Name Anti – AgainstGen – Generate/ formation Anti – AgainstBody-Against the body 2 Other names Also called as Immunogens. Also […]
Read MoreStreptococcus vs Staphylococcus | 20 Key Differences
Streptococcus and Staphylococcus bacteria are widely found in humans and animals. They are non-motile, do not undergo spore formation and are even facultative anaerobes. But there are many differences between Streptococcus vs Staphylococcus bacteria as seen in the table below. Streptococcus vs Staphylococcus Sl.No Features Streptococcus Staphylococcus 1 Bacteria type Streptococcus is a Gram-positive bacteria, […]
Read MoreDifference between Light Microscope and Electron Microscope
A microscope is a device used to observe minute objects invisible to the naked eye. It is one of the important discoveries which helped in the progression of science and medicine. This microscope is of two types like Light microscope (compound microscope) Electron microscope. Both are meant for magnification of minute objects but the resolution […]
Read MoreStorage Roots | Their Types, Differences with Examples
A root is the part of the plant present under the soil. It develops from the radicle. The main function of the root is to absorb water and minerals that a plant needs to survive, from the soil. The roots fix the plant to the soil and support the entire part of the plant above […]
Read MoreLimit Test for Arsenic with Apparatus and Reaction
Arsenic is a heavy metal that is very harmful. Besides, as an impurity, it also creates instability in pharmaceutical preparations. However, it is impossible to avoid arsenic impurity from being present in the finished products. But, its presence in meager part per million is acceptable So, it is essential to check the limits of arsenic […]
Read MoreEarthworm Digestive System in Detail with Diagram
An earthworm Digestive System is quite similar to higher animals. It ingests food by the pumping action of its pharynx. The food is engulfed by the earthworm by rhythmic contractions of the pharyngeal wall, which further leads to the buccal chamber. The mouth has only one work which is to feed on its prey. The […]
Read MoreComposition of Blood and their Important Functions in Detail
Blood is the liquid connective tissue in the body. This blood is essential for life activities and has many components. Broadly it can be classified as a cellular fraction which makes 45 % and plasma which comprises 55%. Composition of Blood 1.Blood cells a) Red blood cells b) White blood cells c) Platelets or thrombocytes […]
Read More