What Determines The Sex Of A Child?

We all know that human race is divided into two sexes-male and female. A question arises that why don’t all people belong to one sex? What determines the sex of a child? After menstruation, a woman becomes capable of bearing a child. Between the 10th and the 18th days from the start of mensuration, an … Read more

How Are Twins Born?

Generally, a woman gives birth to only one child at a time. Sometimes, a woman gives birth to two or more children at a time. The two children born of the same mother at a time are called twins. Do you know how twins are born? An egg known as ovum is produced by the … Read more

What Are The Innate And Adaptive Components Of Immune System?

Immunity has always been referred to as the state of protection from infectious disease and has been entitled to be consisted of both a less specific and more specific component. The less specific component is called innate immunity which provides the primary line of protection against infection. Most mechanisms of innate immunity are present before … Read more

What Are The Physiologic Barriers Of Innate Immunity?

The innate immunity provides the initial stage in the defense against infection in the body. The physiologic barriers that contribute to innate immunity include temperature, pH, and various soluble and cell associated molecules that mediate against infection in the body. Let us consider a simple fact that it has been observed that many species are … Read more

What Is Meaning Of Sequence Analysis And Bioinformatics?

The science of bioinformatics characterizes a junction of volatile growth in both biotechnology and information technology. Traditionally it has been tantamount with the management and analysis of DNA and protein sequences. The term is now more largely used to embrace epidemiology (especially genetic epidemiology) and evolutionary studies. Another aspect of bioinformatics is computational biology research … Read more

When Were Weeds Discovered?

No one knows when weeds were discovered. It is likely that the humans came across weeds for the first time when they began cultivating land. Weeds would have been as much of a nuisance to them as they are to the farmers of less-developed nations today. The term ‘weed’ can be used to denote undesirable … Read more

What Are The Innate And Adaptive Components Of Immune System?

Immunity has always been referred to as the state of protection from infectious disease and has been entitled to be consisted of both a less specific and more specific component. The less specific component is called innate immunity which provides the primary line of protection against infection. Most mechanisms of innate immunity are present before … Read more

What Are The Humoral And Cellular Components Of The Immune System?

Immune system has been a complicated field of medicine ever studied. A lot of input was required to understand the various components of the immune system. Although Pasteur had proved that vaccination worked but he did not understand how. Later, the experimental work of Shibasaburo Kitasato and Emil von Behring in 1890 gave the first … Read more