Course Content
Microscopes and Microscopy
MICROSCOPES AND MICROSCOPY OBJECTIVES By the end of this topic, the trainee should be able to: 1.Name various types of microscopes. 2.State the function of parts of a microscope. 3.Describe the use of compound light microscopes describe care and maintenance of compound microscopes. 4.Describe preparation of microscope slides
0/5
The Cell
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Define and explain meaning of terms. 2.State types of cells. 3.Describe the cell structure under the light microscope. 4.State the functions of cell organelles. 5.Describe the process of mitosis and meiosis. 6.Describe physiological processes of cells. 7.describe the techniques of cell isolation. 8.Describe the procedure of temporary cell preparation.
0/11
Microorganisms
OBJECTIVES By the end of this topic , the trainee should be able to: 1.Classify the major groups of microorganisms. 2.State the general characteristics of each group. 3.Explain their mode of nutrition and reproduction. 4.Describe culture media. 5.Describe culturing techniques for bacteria. 6.Describe methods for determining bacteria population. 7.Describe sterilization and disinfection techniques.
0/23
Immunological Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Define terms. 2.Describe types of immunity. 3.Describe types of immune cells. 4.Describe the lymphoid organs and tissues. 5.Describe serological and immunological techniques.
0/8
Herbarium Techniques
OBJECTIVES By the end of this topic , the trainee should be able to: 1.Explain terms 2.Describe importance of collecting and preserving herbarium specimens 3.Describe sources of herbarium specimens 4.Describe collection of herbarium specimens 5.Describe preservation of herbarium specimens 6.Describe display of herbarium specimens
0/8
Museum Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Explain terms. 2.Describe importance of collecting and preserving museum specimens. 3.Describe sources of museum specimens. 4.Describe collection of museum specimens. 5.Describe preservation of museum specimens. 6.Describe display of museum specimens
0/5
Vivarium Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Explain terms. 2.Describe importance of vivarium. 3.Describe essential features of a vivarium. 4.Describe construction of a vivarium. 5.Describe maintenance of a vivarium.
0/4
Aquarium Techniques
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Explain terms. 2.Describe importance of aquariums. 3.Describe essential features of an aquarium tank. 4.Describe construction of an aquarium tank. 5.Describe maintenance of an aquarium tank.
0/4
Laboratory Animals
OBJECTIVES The objective of this chapter is to give a better understanding of the technical requirements regarding handling, care and maintained of various laboratory animals In this chapter, we will; 1. Identify the various types of laboratory animals. 2.Discuss the general care and handling of laboratory animals. 3. Describe the various methods of restraining and humane killing laboratory animals 4.Discuss care of specific disease free (SPF)and Gnotobiotic animals
0/14
Introduction to Ecology
OBJECTIVE By the end of this module, the trainee should be able to: 1.Explain terms. 2.Describe biotic and abiotic factors. 3.Explain adaptation of organisms to terrestrial and aquatic environment. 4.Describe the energy flow in ecosystem. 5.Explain estimation of population in ecosystem. 6.Describe influence of human activities on environment. 7.Describe basic biogeochemical cycles.
0/12
Plant Anatomy and Physiology
OBJECTIVES By the end of this topic, the trainee should be able to: 1.Describe of plant parts and tissues. 2.Describe functions of various plant tissues. 3.Describe processes in plants .
0/9
Biology Techniques For Science Laboratory Technicians
About Lesson

Views: 5

Lipids 

Lipids are a diverse group of biomolecules that are primarily characterized by their insolubility in water and solubility in organic solvents. They serve essential functions in living organisms, including energy storage, insulation, protection, and as structural components of cell membranes. Lipids are composed of carbon, hydrogen, and oxygen atoms, but they have a higher proportion of carbon and hydrogen compared to oxygen, giving them their hydrophobic nature. Below are examples of lipids .

  1. Fatty Acids: Fatty acids are the building blocks of many lipids. They are long hydrocarbon chains with a carboxyl group (COOH) at one end. Fatty acids can be either saturated (no double bonds between carbon atoms) or unsaturated (one or more double bonds between carbon atoms). They can vary in chain length and degree of saturation, leading to different properties and functions.

  2. Triglycerides: Triglycerides, also known as triacylglycerols, are the most common type of dietary fat and the primary storage form of energy in animals. They consist of three fatty acids esterified to a glycerol molecule. Triglycerides serve as a concentrated source of energy and insulation in the body.

  3. Phospholipids: Phospholipids are a major component of cell membranes. They consist of a glycerol molecule esterified to two fatty acids and a phosphate group. Phospholipids have a hydrophilic (water-loving) head and hydrophobic (water-repelling) tails, which gives them amphipathic properties. This allows them to form lipid bilayers in cell membranes, creating a barrier that separates the cell from its surroundings.

  4. Steroids: Steroids are lipids with a specific four-ring structure. They serve various functions in the body, including hormone regulation, cell signaling, and as components of cell membranes. Examples of steroids include cholesterol, which is an important component of cell membranes, and hormones such as estrogen, testosterone, and cortisol.

  5. Waxes: Waxes are long-chain fatty acids esterified to long-chain alcohols. They are water-repellent and serve as protective coatings on the surfaces of plants, animals, and some insects. Waxes provide a waterproof barrier, preventing excessive water loss and protecting against environmental factors.

Join the conversation

You cannot copy content of this page