In soil, boron is seen as a part of boric acid, silicate, calcium and magnesium borate. It is made available to plants as borates of magnesium... View Article
Gray spot disease occurs in oats as a result of manganese deficiency. Their signs and symptoms are the appearances of greyish brown streaks and... View Article
Iron primarily is available in the ferrous form, absorbed in the ferric form. They are part of peroxidases, catalases, cytochromes etc and are... View Article
Calcium serves as an important macronutrient for plants to grow. These macronutrients are essential elements needed by plants in more than 1mg/g... View Article
Several fungi form symbiotic associations with plants, such as the mycorrhiza. Mycorrhiza can be from several members of the genus Glomus. In... View Article
The root nodule of legumes has the enzyme leghaemoglobin and nitrogenase. Nitrogenase acts as a catalyser to convert atmospheric nitrogen to... View Article
Immobilization or fixation of a nutrient corresponds to saying that the nutrient turns unavailable for a plant. Potassium immobilization is where... View Article
During the process of photosynthesis, after splitting of water due to absorption of carbon dioxide, manganese stimulates fat-forming enzymes... View Article
A chemical process wherein nitrates found in soil are reduced to molecular nitrogen, liberated into the atmosphere is denitrification. This... View Article
In some species of cyanobacteria, there are some specialized cells known as heterocytes. They occur in intercalary, basal and terminal sites.... View Article
The enzyme nitrogenase is a Mo-Fe protein. They catalyze the conversion of atmospheric nitrogen to ammonia which is the first stable product of... View Article
Different cells take varying lengths of time to finish the cell cycle. A normal human cell can take close to 24 hours for division, however, the... View Article
The fate of daughter cells produced in a round of cell cycle depends on what type of cell they actually are. Two possible events can occur -... View Article
Compared to animal cells, plant cells are much stiffer. It is wrapped by a rigid cell wall that has high internal pressure. As a result, plant... View Article
Cell division in animals takes place when a cluster of cytoskeletal fibers known as the contractile ring contracts inwards, thus pitching the... View Article
Cells must undergo and complete vital events for division such as growth, copying genetic content, splitting into daughter cells. Cells carry out... View Article
Telophase is the last stage of mitosis. Some main events occurring during telophase are - Chromosomes expand into a tangle of chromatin... View Article
In the case of elements that are relatively immobile in plants such as S, Ca, the deficiency symptoms first appear in young tissues and leaves.... View Article
Oxygen evolves in the process of photosynthesis by photolysis of water occurring in membranes of grana thylakoids. Photocatalytic splitting of... View Article
