Informing America, One Click at a Time
Amwoga Khalwale
Co–dominance is a form of dominance whereby the alleles of a gene that pair in heterozygote are fully expressed. This results in offspring with a phenotype that is neither dominant nor recessive. A good example showing co-dominance is the ABO blood group system. On the other hand, Incomplete dominance also referred to as partial dominance … Read more
Description Chromatin is a complex of nucleic acids (DNA and RNA) and protein found in the eukaryotic cell nucleus whose primary function is packaging very long DNA molecules into a more compact, denser shape, which prevents the strands from becoming tangled. It also plays an important role in reinforcing the DNA during cell division, preventing … Read more
What is Anthrax Bacilli? Anthrax Bacilli or Bacillus anthracis is a spore-forming bacterium and a dangerous pathogen that causes Anthrax disease. Bacillus anthracis mainly affects livestock and wild game. Humans too can become infected through direct or indirect contact with sick animals. Usually the bacteria enter the body through a wound in the skin or … Read more
Composite, compound and Alloy are usually very confusing terms to some students of chemistry. In this article, get to understand the underlying difference between Alloy, compound and composite. The basis of distinction include: Description, Bonding, appearance, conductivity, physical properties, chemical reaction, separation, examples, boiling and melting points. Key Differences Description Alloy: An alloy is a … Read more
The steering gear mechanism is used for changing the direction of two or more of the wheel axles with reference to the chassis, so as to move the automobile in any desired path. Usually, the two back wheels have a common axis which is fixed in direction with reference to the chassis and the steering … Read more
The process of adsorption occurs due to presence of unbalanced or residual forces at the surface of liquid or solid phase. These unbalanced residual forces have tendency to attract and retain the molecular species with which it comes in contact with the surface. The process of adsorption involves two components adsorbent and adsorbate. Absorption according … Read more
XLS (Excel Spreadsheet) and XLSX (Excel Open XML Spreadsheet) are both file formats used to store and manage data or create mathematical models in Microsoft Excel. These files store data in worksheets that contain cells arranged as a grid of rows and columns. Excel spreadsheets may also contain charts, mathematical functions and various kinds of … Read more
A wet lab is a type of laboratory in which a wide range of experiments are performed, for example, titration in chemistry, diffraction of light in physics and characterization of enzymes in biology etc, all of which may sometimes involve dealing with liquid substances. Given that in this type of lab, chemicals and potential wet … Read more
What Are Vascular Plants? Vascular plants, also known as tracheophytes, from a large group of plants that are described as plants that have specialized vascular tissues (Xylem and Phloem) for conducting water, minerals and products of photosynthesis throughout the plant. The xylem, is made mostly of the structural protein lignin and dead cells, specializes in … Read more
Tissues are groups of cells that have a similar structure and act together to perform similar function. In plants, tissues are categorized into three types: vascular, ground and epidermal. In animals, there are four different types of tissues: connective, muscle, nervous and epithelial. Organs on the other hand, are structures made up of two or … Read more