Ever since the inception of the Industrial Revolution, humans have been pumping large quantities of greenhouse gases into the atmosphere. This... View Article
Though nitrogen is abundant in the air, humans cannot absorb nitrogen present in the atmosphere, instead they will have to consume organic matter... View Article
In humans, metabolic wastes are expelled through kidneys and the respiratory system. Non metabolic wastes, such as undigested remnants of food,... View Article
Biodiversity is an important economic as well as ecological factor for humans. For instance, water and natural resources significantly contribute... View Article
Converting natural land into agricultural farmland has a detrimental impact on transpiration. It has a cascading effect, whereby erosions occur... View Article
The heart. During the development of the body, the heart is one of the first organs that develops in the embryo. When an embryo is merely... View Article
The bran Grains are composed of three main components - the endosperm, the germ and the bran. Bran is the outermost shell. This layer protects... View Article
Corn seeds are endospermic. Endospermic seeds have an endosperm in the mature seed. They are oily, fleshy wrapping the embryo and functioning as... View Article
Nucellus is the central part of the ovule. It comprises the embryo sac. In seed plants, ovules are the structures giving rise to and comprising... View Article
Polygonum. There are three types of embryo sacs - monosporic, bisporic and tetrasporic based on - Number of participating megaspores in... View Article
Yes, endosperm is persistent in wheat, rice and maize. Endosperms are usually tissues produced in seeds of few flowering plants. Endosperms are... View Article
Wet heat treatment apparently kills spores of B. cereus through the denaturation of one or more key proteins. Roasting, steaming under pressure,... View Article
Close to one minute. Boiling is adequate to kill pathogenic bacteria and is a pathogen reduction method. Bring boiling to a rolling boil for 1... View Article
Appropriate autoclave procedures can deactivate all the resistant bacterial spores including bacteria, fungi and viruses. However, they are not... View Article
Yes. Meiosis occurs in germ cells. Both mitosis and meiosis occur in germ cells as they are required to develop and grow the complicated organ... View Article
Uniquely, hydrogen peroxide is known to kill and destroy spores of the same mushroom whose mycelium it safeguards. Explore more such questions... View Article
Growth of bacteria is ceased typically between 8°C and 60°C, as below 8°C growth is evidently slow and above 60°C, bacteria starts to perish.... View Article
High or very low temperatures can kill mold spores. To destroy mold spores, treat them with a temperature in the range 60-71°C. This is because... View Article
Endospores can survive in harsh and extreme conditions, even without nutrients as they are resistant to desiccation, ultraviolet radiations, high... View Article
