By: Jose Juan Gutierrez
What are fatty acids? Essential fatty acids (EFAs) are fats that the body cannot produce. They´re important nutrients necessary for health; and are present in every healthy cell in the human body. They´re responsible for normal function and growth of the cells, nerves...
By: Dyana Hepburn
Lady's Bedstraw is a flowering perennial which is popular in Europe but has been transplanted around the world. It grows requiring little care and has many uses other than just as an attractive leafy green flowering plant with yellow leaves. It's full name is Our...
Introduction to meiosis
By: Lillian Mugwe
Meiosis is the type of cell division that is seen during the formation of gametes (sex cells). It consists of two successive divisions which are meiosis 1 and meiosis 2. In meiosis 1, the number of chromosomes is reduced by one-half and for this reason...
Understanding cell division
By: Lillian Mugwe
Life in living organisms starts as a single cell or zygote or spore. In multicellular organisms, the cell divides into two and continues to divide but in unicellular organisms, the cell divides into two separate daughter cells. Cell division is the development of an...
By: Dr Pandula Siribaddana
Exosomes are 30 – 90 nm vesicles secreted by mammalian cells and would be the result of late endosomes or multi vesicular bodies (MVB) coalescing with the cell membrane. According to scientists, the initial even in the formation of exosomes is the spontaneous invagination of...
By: Terrence Aym
Using DNA evidence, migration patterns, measurements of reforestation after an ice age, and calculations of planetary warming, scientists have deduced that the mysterious disappearance of the Woolly Mammoths about 4,000 years ago was chiefly due to environmental changes.DNA record second to nonePaleobiologists agree...
Subnuclear bodies: Paraspeckles
By: Srikanth Radhakrishna
Paraspeckles are small, irregularly sized and unevenly distributed ribonucleoprotein (RNP) bodies found in the interchromatin space of mammalian cell nuclei. They are found between larger nuclear speckles and chromatin. They have an irregular sausage like shape. They are approximately 0.5-1 micrometer (one millionth of...
What are enzymes and what are they used for?
By: Lillian Mugwe
Enzymes are organic catalysts which are protein in nature. They are found in all living things and produced in all living cells. As catalysts, they speed up or reduce the rate of chemical reactions in the body without being used up themselves. There are two...
Overview of functions of cellular organelles
By: Lillian Mugwe
All living things have cells which have a diameter of about 10 µm. They comprise of different structures called organelles which perform specific functions within the cell. Cell Membrane Also known as the plasma membrane or the plasmalema. It encloses the cell contents separating...
By: Can Tran
Whenever there is a breakthrough in technology, many different fields of study are able to reap the benefits. Those that major in English literature can benefit from the various applications that can be downloaded onto and installed into a smart phone. Breakthroughs in technology can...

 

1 282 283 284 285 286 371