Category Archives: Biology

Calvin Cycle – Photosynthesis in Plants (PART -III)

By | September 21, 2021

The term Photosynthesis was first proposed by Prof. Conway MacMillan , when he was working at University of Minnesota in 1893. In the earlier blog posts we discussed about Introduction to Photosynthesis in green Plants and details of Light Reaction. As we have seen in previous posts, Photosynthesis can be divided into two different parts… Read More »

Light Reaction – Photosynthesis in Plants (PART II)

By | September 19, 2021

Photosynthesis can be divided into two parts : Light dependent reactions or Light Reactions and Dark Reactions or Calvin Cycle. Light reactions forms the “Photo” part of Photosynthesis and Dark reactions / Calvin Cycle is a separate process which accounts for “synthesis” aspect in Photosynthesis, where sugars are produced. Light reaction involves the following events… Read More »

Photosynthesis in plants – Introduction Part I

By | September 17, 2021

Photosynthesis is a process where green plants and some other organisms (algae and some bacteria – such as Proteobacteria , Chloroflexi, Chlorobi and cyanobacteria ) uses trapped sunlight to convert carbon di oxide and water to produce chemical energy in the form of carbohydrates (most commonly glucose) and oxygen. In other words, photosynthesis is a process… Read More »

Differences between DNA and RNA

By | August 21, 2021

Nucleic acids accounts for one of the four major biological macromolecules, which carry genetic blueprint of a cell and are essential for proper functioning of the cell. Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) are two important nucleic acids which help in carrying genetic information and are made up of nucleotide monomers. Even though both… Read More »

Anabolism – Building cell structures with simple molecules

By | August 7, 2021

Every living creature on this planet Earth needs to extract energy from the dietary food, a process termed as Catabolism ( breaking down of complex molecules into simpler molecules to yield maximum energy, eg: Glucose gets converted by a process involving Glycolysis, Krebs cycle and electron transport chain – to yield ATP). The opposite cellular… Read More »

Amino acids – building blocks of Proteins

By | July 31, 2021

Amino acids (aa) are the building blocks of proteins, which happens to be one of the 4 important biological macromolecules. Amino acids are organic compounds made up of nitrogen, carbon, hydrogen and oxygen, along with a variable side chain group. All amino acids share a similar fundamental structure. The central carbon atom, or also termed as… Read More »

The Nervous System: Basic Properties of Nerve Cells

By | July 20, 2021

The fundamental unit of the nervous system is not just neurons but also glia! However, the neurons have features that would allow them to communicate with each other, including long-distance communication. These features are: The morphological and functional asymmetry of neurons – dendrites with specialized receptors and the transmitting potential of axon forms the basis… Read More »

Structural and functional unit of life – The Cell

By | July 12, 2021

Our earth is a wonderful place where many different kinds of organisms co-exist. The diversity observed among living forms is huge- ranging from minute Algae to tall trees, micro organisms like bacteria to gigantic Blue whales. The thing that unifies all of them is that all have a basic unit of life called as “Cells”.… Read More »

Best sites or Tools for Science illustrations

By | June 30, 2021

Telling a story of your research work or any other scientific topic by including some well thought illustrations helps the reader to visualize science. Science diagrams or illustrations forms a very important part of scientific writing. Not everyone can afford to pay for some well known paid software’s such as Adobe illustrator. Here we list… Read More »

What is Epigenetics?

By | June 29, 2021

Genes and behavior Even though identical twins come from the same genetic material, they turn out to be very different people looking alike. So different that one of the twins could get a genetic disorder at the age of 40 and the other could be the most fit person! Why is that so? Epigenetics: The… Read More »