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Biology lessons in New Cairo

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30 biology teachers in New Cairo

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30 biology teachers in New Cairo

Fatiha - Dellys, Algeria£11
£11General definition of cell, cell structure, the difference between prokaryotic and eukaryotic cell
The cell, the fundamental unit of all living beings, is a complex structure composed of different elements working in harmony. The plasma membrane: the protective envelope The plasma membrane is a semi-permeable barrier that delimits the cell and separates it from its environment. It consists of a double layer of phospholipids, in which various proteins are integrated. These proteins play a crucial role in the transport of substances across the membrane, cell communication and cell recognition. The cytoplasm: the internal environment The cytoplasm is the aqueous medium inside the cell. It contains many organelles, inclusions, and the cytosol. The cytosol is the liquid part of the cytoplasm, rich in enzymes and molecules necessary for the chemical reactions of the cell. The Core: The Control Center The nucleus is a characteristic organelle of eukaryotic cells. It contains the genetic information of the cell in the form of DNA, organized into chromosomes. The nucleus is surrounded by a nuclear envelope pierced by nuclear pores that allow the exchange of molecules between the nucleus and the cytoplasm. Organelles: specialized factories Organelles are specialized structures present in the cytoplasm. Each of them fulfills a specific function: Mitochondria: Nicknamed the "power plants" of the cell, they are the seat of cellular respiration, a process that produces the energy needed by the cell. The endoplasmic reticulum: A network of membranes involved in the synthesis of proteins and lipids. The Golgi apparatus: A set of flattened sacs that modify, package, and distribute proteins and lipids synthesized by the endoplasmic reticulum. Lysosomes: Small vesicles containing digestive enzymes that break down unnecessary or damaged molecules. The cytoskeleton: the skeleton of the cell The cytoskeleton is a network of protein filaments that gives the cell its shape, allows it to move, and organizes its organelles. It is made up of three types of filaments: microfilaments, intermediate filaments, and microtubules. The differences between prokaryotic and eukaryotic cells There are two main types of cells: prokaryotic cells (bacteria) and eukaryotic cells (animals, plants, fungi). Prokaryotic cells are simpler and do not have a nucleus or membrane-bound organelles. Eukaryotic cells, on the other hand, are more complex and have a nucleus and many organelles.
Biology
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Mansi. - Aberdeen, United Kingdom£25
£25biology for biology students, nursing for nursing students, psychology, communicaton, nutrition covering all aspects
1.In this Biology class, students explore the foundations of life sciences, developing a thorough understanding of living organisms and the biological processes that sustain them. This class covers essential topics including cell structure and function, genetics, evolution, ecology, and physiology, offering a comprehensive view of both micro and macro aspects of biology. 2.This Nursing teachin is designed to equip students with the essential knowledge, skills, and values needed for a successful career in healthcare. Through a blend of theoretical learning, practical skills training, and clinical experience, students gain a comprehensive understanding of patient care, medical ethics, and healthcare practices. Key topics include anatomy and physiology, pharmacology, patient assessment, therapeutic communication, and healthcare systems, alongside specialized areas such as pediatric, surgical, and geriatric nursing. 3.This nutrition class is ideal for those pursuing careers in healthcare, wellness, or food sciences, as well as anyone interested in promoting healthy lifestyles. By the end of the course, students will have a strong foundation in nutrition science and practical skills for applying nutritional knowledge to improve health outcomes and support sustainable, balanced eating practices.
Biology · Nurse training · Nutrition
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