INTRODUCTION TO MICROBIOLOGY
Earth is basically a microbial planet to which macro-organisms are recent additions in it. According to the fact, microbes were the only life on the earth for nearly 3 billion years in the history of the earth. If we break down the word microbiology then we can get the real meaning of the word. Micro refers to “small” and biology refers to “natural science” or basically our surroundings.
Microbiology refers to the “THE STUDY OF THE SMALL LIFE”. The introduction to microbiology is the study of concepts regarding the great variety of living organisms that are too small to be seen with the naked eye and to spot these microbes you will definitely need a microscope. These microorganisms form the basis of life on earth despite their minuscule size.
What is Microbiology?
The term Microbiology deals with microorganisms that are unicellular and multicellular. This topic is surrounded by sub-disciplines like bacteriology, mycology, parasitology, virology, and protistology, etc. The vast majority of the microbes are unicellular- the entire organism consists of a single cell. The whole life cycle depends on these microorganisms because they are the ones who convert the atmospheric gases in soil which are useful for plants and animals in a direct or indirect way. These microbes play a significant role in biodegradation, food spoilage, biotechnology, nutrient cycling, climate change, and control of the disease. They are used in making life-saving drugs, cleaning up pollution, manufacturing biofuels, and producing food and drink.
Microbes and The World
Classification of organisms changes as we acquire new tools and technologies to assess the characteristics of an organism. All organisms are divided into three domain classes that were proposed by Carl Woese in the year 1970s, based on RNA sequencing. Plants and animals are the recent newcomers within this eukaryotic domain as there are 20 or so known sublineages. Each and every individual has a set of microscopic organisms that lives in a complex ecosystem inhabited by large numbers of microbes. These microbes then adapt and secrete nutrients from the host. These three domain classes are Bacteria, Archaea, and Eukarya.
Bacteria: All bacteria are called microbes which are common in water, soil, food, and our own bodies. They also live in symbiotic and parasitic relationships with animals and plants. Bacteria possess genes and enzymes that are beneficial to synthesize Vitamin B12 also known as Cobalamin. Bacterias have three shapes that are coccus, bacillus, and spiral.
Archaea: They are mostly unicellular and cells lack a nucleus like any other organelle. The structure of archaea is very much similar to that of bacteria but their characteristics are different as they are made of slightly different compounds and made generally with different genetic material. Archaea are responsible for fabricating biological methanes.
Eukarya: This includes Eukaryota whose cells have a nucleus enclosed within a nuclear envelope. The nuclear envelope contains nuclear pores that allow the movement of materials in and out. They can be either unicellular or multicellular and can multiply through mitosis, meiosis, or gamete fusion. The four eukaryotic kingdoms are Animalia, Fungi, Plantae, and Protista.
Importance of Microbiology
Microbiology plays an important role in different streams as it helps in preventing illness in medical microbiology, use for oil degradation in environmental microbiology, keep the water clean, and food safety that comes in microbiology in the food industry. Microbiology is the vast stream that is used in our daily life. They are applied in everyday life for example making curd or bread. Bacterias are used for manufacturing disposable diapers, plastics, and synthesizing amino acids that work as common dietary supplements. Thus, the science of microbiology focuses on understanding microorganisms by studying the topics of bacteriology, mycology, microbial physiology, metabolism, reproduction, and genetics. In the coming years, the benefits of microbiology will only be going to be increased in all aspects of life. Whenever the world has hit the global pandemics, microbiologists produce vital life-saving drugs that help people to rely on for survival around the world.
Branches of Microbiology
Microbiology from the very beginning has probably been the most experimentally based biology science rather than a descriptive scientific discipline. Microbiology is a versatile field and has an impressive application potential and used as an experimental tool and model.
There are Several Branches of Microbiology that are:
- Microbial Genetics
- Industrial Microbiology
- Phage Biology
- Environmental Microbiology
Problems Faced by Biology Students
Students seeking this course face multiple problems while understanding the microbiology concepts. They need to analyze cases by observing and learning from previous work references. Other than regular classes, students need to participate in many other activities during their college times. This leads to poor grades in their report cards and submitting low-quality assignments is one of the reasons behind it. Passing with good grades becomes an unachievable dream for students when they are assigned heavy assignments by their professors. Our expert team has been providing biology assignment help services for more than 8 years now.
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