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Amwoga Khalwale Most multi-cellular organisms require a mechanism for transporting nutrients throughout their bodies and for removal of waste products. The circulatory system has evolved over time from simple diffusion through cells, in the early evolution of animals, to a complex network of blood vessels that reach all parts of the human body. This extensive network supplies … Read more
Many animals, including humans have two types of chromosomes: Autosomes and sex chromosomes. Sex chromosomes are those that are needed for determining sex (male or female) of an individual. Autosomes are all the rest of the chromosomes that are not needed for sex determination. What Is Autosome? Autosomes are chromosomes that do not carry any … Read more
Disinfection and disinfection are the two common types of decontamination. Decontamination is the process of decreasing antimicrobial presence in an area or on a surface. Sterilization is the process of removing all harmful microorganisms from objects and surfaces whereas disinfection means to eliminate most harmful microorganisms, but this doesn’t include spores. Both procedures (disinfection and … Read more
The structures that enable the formation of spindle fibers are known as centrioles and the organelle that organizes their formation is referred to as centrosome. During mitosis, centrosomes are replicated by duplicating each Centriole. The four centrioles then divide into two centrosomes, each with one Centriole at a right angle to the second Centriole. What … Read more
Homozygous Homozygous describes the genetic condition or the genetic state where an individual has inherited the same DNA sequence for a particular gene from both their biological mother and their biological father. Homozygous allele may be dominant or recessive. An allele is a version of a gene that affects the functionality of the protein produced … Read more
DNA replication is the biological process by which genetic information is duplicated to produce two identical copies of an organism’s genome. DNA replication occurs in all living organisms acting as the basis for biological inheritance. The cell possesses the distinctive property of division which makes replication of DNA essential. DNA is made up of a … Read more
Typically, the term phase in electricity refers to the current or the voltage available in a connected wire as well as a neutral cable. Power supply system is generally classified into two types, namely single phase power supply and three phase power supply. Both power systems use AC power (a type of electric power in … Read more
What Is Growth? Growth is the increase in the cell size and number that take place during the life history of an organism. The increase in size and changes in shape of a developing organism depend on the increase in the number and size of cells that make up the individual. Increase in size resulting … Read more
English bond and Flemish bond are the two most common brick masonry patterns used in wall construction. They are classified based on laying and bonding style of bricks in walls. The bonds in brick masonry are developed by the mortar filling between layers of bricks and in grooves when bricks are laid adjacent to each … Read more
AWT (Abstract Window Toolkit) Abstract Window Toolkit (AWT) is a set of application program interfaces (APIs) used by Java programmers to create graphical user interface (GUI) objects such as buttons, scroll bars and windows. Java AWT components are platform-dependent i.e components are displayed according to the view of the operating system. AWT is part of … Read more