Bacterial Cells vs. Virus Cells_ The Essentials for Teachers.pptx
AbhijithA57
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15 slides
Aug 30, 2025
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About This Presentation
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Size: 6.79 MB
Language: en
Added: Aug 30, 2025
Slides: 15 pages
Slide Content
Bacterial Cells vs. Virus CellsThe Essentials for Teachers Here is where your presentation begins
Cont ents 1. Introduction to Cells 2. Differences Between Bacteria and Viruses 3. The Role of Bacteria 4. The Role of Viruses
Introduction to Cells 01
Bacterial cells are simple and consist of a cell wall, cell membrane, cytoplasm, and genetic material. They're like the tiny workhorses of the microbial world! Basic structure of bacterial cells Bacteria come in various shapes and groups, like cocci (spherical), bacilli (rod- shaped), and spirilla (spiral). Each type plays a unique role in ecosystems, some good and some bad! Types of bacteria What are Bacterial Cells?
01 Viruses are super tiny and consist of genetic material surrounded by a protein coat, often with a lipid envelope. They're more like parasites than cells, relying on hosts to reproduce. Basic structure of viruses 02 Viruses come in a wide range, from the common cold to HIV. They can infect all types of life forms, proving that they're clever little critters with diverse strategies for survival! Types of viruses What are Virus Cells?
Differences Between Bacteria and Viruses 02
Bacterial reproduction: Binary fission Bacteria reproduce through a simple process called binary fission, where one single bacterium splits into two identical cells, allowing rapid population growth. Viral reproduction: Hijacking host cells Viruses can't reproduce on their own; they invade host cells and take over the cell's machinery to make copies of themselves, which can lead to cell damage. Reproduction Methods
Bacteria have a rigid cell wall made of peptidoglycan that protects their structure, whereas viruses have a protein coat (capsid) that encases their genetic material. Bacterial cell wall vs. viral protein coat Bacterial cells are complex and include various organelles that help them carry out metabolic processes, unlike viruses, which are acellular and lack organelles. Presence of organelles in bacteria Cellular Structure
The Role of Bacteria 03
These little guys help break down food in our guts, making it easier for our bodies to absorb nutrients. They greatly impact our overall health by supporting digestion. Bacteria in digestion Bacteria are like tiny factories in the lab! They’re used to produce everything from insulin to biodegradable plastics, showing how nature can help us make cool stuff. Bacteria in biotechnology Beneficial Bacteria
Bacteria and infections While some bacteria are friends, others can cause real trouble! Infections like strep throat and tuberculosis are caused by harmful bacteria, making it important to know which is which. Antibiotic resistance When bacteria stick around past their welcome, they can become resistant to antibiotics. This makes infections harder to treat, which is why we need to use antibiotics wisely, and teach our students about it! Harmful Bacteria
The Role of Viruses 04
When we talk about common viral infections, we’re looking at those pesky little things like the flu, cold, and COVID- 19. These infections spread easily and can really disrupt our lives and classroom dynamics. Viruses can have a huge impact on our health, causing everything from mild symptoms to serious diseases. Understanding how they affect us helps teachers educate students about prevention and healthy habits. Common viral infections Impact of viruses on health Viruses in Disease
Believe it or not, viruses play a big role in genetic research! Scientists often use them to study genes and even edit DNA, which can lead to exciting breakthroughs in medicine and biotechnology. Viruses as tools in genetic research Viruses are key players in the creation of vaccines. They’re used to train our immune systems, helping us build defenses against diseases. This is critical knowledge for teachers to share in health education lessons. Role of viruses in vaccines Viruses in Research