Microbiology part 1

Lavinia Hayde
Mind Map by Lavinia Hayde, updated more than 1 year ago
Lavinia Hayde
Created by Lavinia Hayde about 6 years ago


Mind Map on Microbiology part 1, created by Lavinia Hayde on 10/10/2014.

Resource summary

Microbiology part 1
1 Describe the structure of bacteria, fungi and viruses
1.1 Generalised Bacteria
1.1.1 Nuclear Material carries bacterium genetic code Flagellum helps bacteria to move Cell Wall mantains the bacterium cell shape Cell membrane controls entry and exit of materials
1.2 Generalised fungi
1.2.1 Reproduction hyphae: digest and absorb surrounding material/mode of vegatative growth Spores: Unit of asexual reproduction sporagium: In which spores are formed food source
1.3 Generalised virus
1.3.1 protein coat Shields the DNA from immune system nuclear material contains DNA and used to reproduce attachment sile
2 Describe the feeding of bacteria, fungi and viruses
2.1 bacteria
2.1.1 they can eat: sugar starch sunlight sulfur iron
2.1.2 some are photosynthetic make their own food from sunlight
2.1.3 Extra Cellular Digestion 1. Bacterium lands on the food 2. Bacterium releases Digestive Enzymes Enzymes break the food into small molecules
2.2 fungi
2.2.1 via extra cellular digestion 1. Digestive Enzymes released onto food 2. Enzymes break apart food into smaller components protein fats carbohydrates 3. Small nutrients molecules are absorbed back into fungi 4. provide energy via respiration
2.3 viruses
2.3.1 Viruses do not feed
3 Describe the reproduction of bacteria, fungi and viruses
3.1 Bacteria
3.1.1 Binary Fission 1. Bacteria replicates it's DNA via Mitosis Parent cell copies it's DNA and creates another copy Cell splits and two daughter cells are formed 2. The Cell Membrane pushes inwards to make two cells 3. Two Identical Bacteria are formed
3.2 Fungi
3.2.1 Yeast- Simple Budding Asexual Reproduction 1. outgrowth due to repeated cell division 2. Buds grow in tiny particles 3. Once Mature splits from parent and becomes an individual body
3.2.2 1. Sporangium full of spores 2. Spores burst out of sporangium 3. Carried by Wind 4. Hyphae sprouts from spores 5. Sporangium begins to grow out of hyphae 6. Spores develop in sporangium- cycle repeats
3.3 Viruses
3.3.1 Lytic 1. The virus attaches to bacteria (host) 2. The virus inserts it DNA into the bacteria 3.The virus takes over cell machinery 4. The virus reproduces itself and self assembles The host cell is destroyed copied from biology.kenyon.edu
3.3.2 Lysogenic absence of pathology within particular circumstances lifestyle capable of swapping to lytic virus- this stage harsh conditions prophage 1. The virus binds to bacteria (host) 2. The virus inserts its bacteria into the bacteria 3. The viral DNA gets incorporated into the cell's chromosomes 4. Viral DNA is replicate along with Chromosome material copied from biology,kenyon,edu
4 Describe microbes that are helpful and harmful
4.1 Fungi
4.1.1 Helpful Antibiotics e.g Pencillin Food e.g mushrooms, truffles Bread Production - Yeast Alcohol Production- fermentation Used in cheese- moulds Decomposer- help break down rubbish
4.1.2 Harmful infections e.g athletes foot, ring worm, thrush Damage food crops e.g potato blight Turn food bag e.g mould Can be poisonous to eat e.g moulds
4.2 Bacteria
4.2.1 harmful feed on our food - expires feed on dead plant and animal- saprophytes parasites- reside on living organisms some release toxins toxins makes them pathogens bacteria that can cause diseases SARS Syphilis Typhoid Fever Cholera
4.2.2 helpful Recycling of nutrients treatment of sewage digestion of cellulose production of cheese and yoghurt
4.3 Viruses
4.3.1 helpful cowpox immune to small pox
4.3.2 vaccinia Virus- 1796 Dr Edward Jenners invents vaccination
5 List some diseases caused be microbes
5.1 Bacteria
5.1.1 Sars
5.1.2 Tuberculosis
5.1.3 Syphilis
5.1.4 Typhoid Fever
5.1.5 Cholera
5.1.6 Scarlet Fever
5.1.7 Anthrax
5.1.8 Plague
5.1.9 Tetanus
5.1.10 138 Bacterial Diseases
5.2 Virus
5.2.1 Leprosy
5.2.2 cold sore
5.2.3 HIV
5.2.4 Influenza
5.2.5 Chickenpox
5.2.6 small pox
5.2.7 Ebola
5.2.8 Measles
5.2.9 Rabies
5.3 Fungi
5.3.1 Aspergellosis
5.3.2 Blastomycosis
5.3.3 Candidiasis
5.3.4 Histoplasmosis
5.3.5 Ringworm
5.3.6 Murcomycosis
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