Science

In medicine, a biomarker is a measurable indicator of the severity or presence of somedisease state. More generally a biomarker is anything that can be used as an indicator of aparticular disease state or some other physiological state of an organism. A biomarker can be a substance that is introduced into an organism as a … Read more

Cell cycle, the ordered sequence of events that occur in a cell in preparation for cell division. The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA(synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, … Read more

Local Area Network (LAN) It is also called LAN and designed for small physical areas such as an office, group of buildings or a factory. LANs are used widely as it is easy to design and to troubleshoot. Personal computers and workstations are connected to each other through LANs. We can use different types of … Read more

FASTag are stickers affixed to the windscreen of Vehicles. They use RFID technology to collect toll from the traffic. The tags are linked to ban account and they are charged or top up. The amount is detected directly from the account. According to NHAI, these Tags will ensure seamless travel of traffic and will also … Read more

The nitrogen cycle is a complex biogeochemical cycle in which nitrogen is converted from its inert atmospheric molecular form (N2) into a form that is useful in biological processes. The Nitrogen cycle contains various stages: Nitrogen fixation: Inert form of Nitrogen is fixed and converted into organic form in a process called nitrogen fixation. Most … Read more

Using advanced radar imaging that will provide an unprecedented, detailed view of Earth, the NASA-ISRO Synthetic Aperture Radar, or NISAR, satellite is designed to observe and take measurements of some of the planet’s most complex processes. These include ecosystem disturbances, ice-sheet collapse, and natural hazards such as earthquakes, tsunamis, volcanoes and landslides. Data collected from … Read more

E commerce is the sale or purchase of goods and services conducted over networks of Tv and computers.  The use of internet and network is the key feature of e commerce.  According to a report by KPMG, e-Commerce sector in India is projected to cross $80 billion by 2020 and $300 billion by 2030. The … Read more

Anaerobic respiration occurs without oxygen and involves the consumption of another molecule (nitrate, sulfur, iron, carbon dioxide, etc.) instead of oxygen. Unlike in fermentation, anaerobic respiration involves the formation of an electrochemical gradient by an electron transport system that results in the production of a number of ATP molecules. Unlike in aerobic respiration, the final … Read more

Euploidy Aneuploidy It refers to the state of having a chromosomes number that is an exact multiple of chromosomes number. It refers to a condition in which one or few chromosomes are added or deleted from the chromosome number A large variation in which the amount of genetic material increases by means of chromosomes sets. … Read more

Hydroponics, or growing plants in a nutrient solution root medium, is a growing area of commercial food production and also is used for home food production by hobbyists. Learn about the state-of-the-art techniques for producing food in a controlled, soilless setting. Major factors to ensure the successful hydroponics practice are as follows: Ensuring water quality … Read more